light

名词 n. 动词 v. 形容词 adj. 副词 adv.
中文释义
英 [laɪt]|[lɑjt]    美 [ɫɐɪt]|[ləjt]|[lɑɪt]

英文释义

名词 n.
  1. A stone that is not thrown hard enough.
  2. Electromagnetic radiation in the wavelength range visible to the human eye (about 400–750 nanometers): visible light. uncountable
    — As you can see, this spacious dining-room gets a lot of light in the mornings.
  3. Electromagnetic radiation in the wavelength range visible to the human eye or in nearby ranges (infrared or ultraviolet radiation). broadly,countable,uncountable
    — black light
  4. See lights (“lungs”).
  5. A low-alcohol lager. Australia,uncountable
    — We crossed to the pub on the corner of Carlisle Street and I ordered two schooners of old for him and one of light for me.
  6. Electromagnetic radiation of any wavelength. broadly,countable,uncommon,uncountable
    — It’s everywhere. At this moment, as you sit quietly reading this book, you are awash in it. At work, it’s emanating from your electronic devices; step outside for lunch, and the sun bathes you in it. You may receive an extra dose of it when you visit your doctor, pass through security at the airport, or drive through city streets, but minuscule amounts of it are with you always. You cannot see, hear, smell, or feel it, but there is never a single second when it is not flying through your body. Too much of it will kill you, but without it you wouldn’t live a year. “Invisible light” seems like a contradiction. Like Simon and Garfunkel’s “The Sound of Silence,” it’s an oxymoron. We think of light, by definition, as something seen, something that enables our seeing, illuminating the darkness. Unlike dogs, who sniff in order to “get” what an object is, we depend on vision above all our other senses. We rely on light to tell us about our surroundings. But just as there are frequencies of sound audible to other animals that we cannot hear, there is a whole world of light outside our range of vision, a world that is humming with activity. Though we rarely think about this invisible world, our way of life depends on it. It’s because of invisible light that you can do things such as send a text message, use GPS to find your way to a friend’s house, listen to the radio, or microwave a frozen pizza. Invisible light shows us things we would never otherwise see, including our own skeletons and brains and the history of our universe. I was reminded of just how much we rely on invisible light, and how mysterious it remains to us, during a visit from my sister and her family. It was a lazy summer afternoon, and we were sprawled across a few couches sharing a bowl of popcorn. My niece, her shoulders crimson after a day outdoors, was chatting on her cell phone, holding up a promising finger to her mother, who was scolding her for not using sunscreen. My brother-in-law, meanwhile, was asking my opinion on an article he’d read proposing that Wi-Fi be banned in schools because of its dangers. We were all depending on invisible light (for the microwave popcorn, the cell-phone service) while being concerned that it might harm us (sunburn, mysterious Wi-Fi health threats) and confused about what to do to protect ourselves. We need it, and it surrounds us, yet we remain uneasy about living with invisible light, partly because we fear what is unknown. After all, most of us don’t know much about “all the light we cannot see.” This book aims to change that. My hope is to expose the hidden side of the spectrum, to make the invisible (at least temporarily) visible and vivid to you.
  7. A source of illumination. countable
    — Put that light out!
  8. A member of the light cavalry. historical
  9. A source of illumination.; A lightbulb or similar light-emitting device, regardless of whether it is lit. countable,uncountable
    — We turned off all the lights and went to sleep.
  10. A source of illumination.; A traffic light, or (by extension) an intersection controlled by traffic lights. countable,uncountable
    — To get to our house, turn right at the third light.
  11. Spiritual or mental illumination; enlightenment, useful information. countable,figuratively,uncountable
    — Can you throw any light on this problem?
  12. Facts; pieces of information; ideas, concepts. archaic,countable,in-plural,uncountable
    — Now these notions are twofold, actions or habits[…], which are durable lights and notions, which we may use when we will.
  13. A notable person within a specific field or discipline. countable,uncountable
    — Picasso was one of the leading lights of the cubist movement.
  14. The manner in which the light strikes a picture; that part of a picture which represents those objects upon which the light is supposed to fall; the more illuminated part of a landscape or other scene; opposed to shade. countable,uncountable
  15. A point of view, or aspect from which a concept, person or thing is regarded. countable,uncountable
    — I'm really seeing you in a different light today.
  16. A flame or something used to create fire. countable,uncountable
    — "There will, I expect, be many such - possibly whole cities in flames - when we consider how many folk may have dropped with lights in their hands."
  17. A flame or something used to create fire.; A cigarette lighter. countable,slang,uncountable
    — Hey, buddy, you got a light?
  18. A firework made by filling a case with a substance which burns brilliantly with a white or coloured flame. countable,uncountable
    — a Bengal light
  19. A window in architecture, carriage design, or motor car design: either the opening itself or the window pane of glass that fills it, if any. countable,uncountable
    — This facade has eight south-facing lights.
  20. The series of squares reserved for the answer to a crossword clue. countable,uncountable
    — The average length of a light on a 15×15 grid is 7 or 8.
  21. A cross-light in a double acrostic or triple acrostic. countable,informal,uncountable
  22. Open view; a visible state or condition; public observation; publicity. countable,uncountable
    — The duke yet would have dark deeds darkly answered; he would never bring them to light.
  23. The power of perception by vision: eyesight (sightedness; vision). countable,uncountable
    — My heart panteth, my strength faileth me: as for the light of mine eies, it also is gone from me.
  24. The brightness of the eye or eyes. countable,uncountable
    — He seemed to find his way without his eyes; / For out o'door he went without their helps, / And, to the last, bended their light on me.
动词 v.
  1. To find by chance.
    — I lit upon a rare book in a second-hand bookseller's.
  2. To unload a ship, or to jettison material to make it lighter.
  3. To start (a fire). transitive
    — We lit the fire to get some heat.
  4. To stop upon (of eyes or a glance); to notice.
    — "Sacredam!" he cried, when his eyes lit upon Buck. "Dat one dam bully dog! Eh? How moch?"
  5. To lighten; to ease of a burden; to take off.
    — His mailèd habergeon she did undight, / And from his head his heavy burgonet did light.
  6. To set fire to; to set burning. transitive
    — She lit her last match.
  7. To leave; to depart. broadly
  8. To alight; to land or come down. archaic
    — She fell out of the window but luckily lit on her feet.
  9. To illuminate; to provide light for when it is dark. transitive
    — I used my torch to light the way home through the woods in the night.
  10. To become ignited; to take fire. intransitive
    — This soggy match will not light.
  11. To attend or conduct with a light; to show the way to by means of a light.
    — His bishops lead him forth, and light him on.
  12. To make (a bonus) available to be collected by hitting a target, and thus light up the feature light corresponding to that bonus to indicate its availability. transitive
    — Light the extra ball by amassing 500 million points in the wizard mode.
形容词 adj.
  1. Having light; bright; clear; not dark or obscure.
    — The room is light when the Sun shines through the window.
  2. Having little or relatively little actual weight; not heavy; not cumbrous or unwieldy.
    — a light load ; a lighter backpack after having removed the books ; light weapons
  3. Pale or whitish in color; highly luminous and more or less deficient in chroma.
    — She had light skin.
  4. Having little weight as compared with bulk; of little density or specific gravity.
    — feathers and cork are light ; oil is lighter than water
  5. Served with extra milk or cream.
    — I like my coffee light.
  6. Of short or insufficient weight; weighing less than the legal, standard, or proper amount; clipped or diminished.
    — to issue light coin
  7. Lacking that which burdens or makes heavy.; Free from burden or impediment; unencumbered.
  8. Lacking that which burdens or makes heavy.; Lightly built; typically designed for speed or small loads.
    — a light aircraft ; a light tank
  9. Lacking that which burdens or makes heavy.; Not heavily armed; armed with light weapons.
    — light infantry; a troop of light horse
  10. Lacking that which burdens or makes heavy.; Riding high because of no cargo; by extension, pertaining to a ship which is light.
    — if a ship is light or partially loaded ; the light draft of a vessel, or its light displacement
  11. Lacking that which burdens or makes heavy.; Without any piece of equipment attached or attached only to a caboose.
    — the light locomotives ; a locomotive may be moved light
  12. Lacking that which burdens or makes heavy.; With low viscosity.
  13. Not heavy or soggy; spongy; well raised.
    — a light bread ; sponge cake is a light cake
  14. Low in fat, calories, alcohol, salt, etc.
    — This light beer still gets you drunk if you have enough of it.
  15. Slight, not forceful or intense; small in amount or intensity.
    — a light drizzle//a light rain was falling//a light snow set in
  16. Gentle; having little force or momentum.
    — This artist clearly had a light, flowing touch.
  17. Easy to endure or perform.
    — light duties around the house
  18. Unimportant, trivial, having little value or significance.
    — I made some light comment, and we moved on.
  19. Unchaste, wanton. obsolete
    — Long after lay he musing at her mood, / Much grieu'd to thinke that gentle Dame so light, / For whose defence he was to shed his blood.
  20. Not encumbered; unembarrassed; clear of impediments; hence, active; nimble; swift.
    — Unmarried men are best friends, best masters […] but not always best subjects, for they are light to run away.
  21. Fast; nimble.
  22. Easily influenced by trifling considerations; unsteady; unsettled; volatile. dated
    — a light, vain person; a light mind
  23. Indulging in, or inclined to, levity; lacking dignity or solemnity; frivolous; airy.
    — Ogden Nash was a writer of light verse.
  24. Not quite sound or normal; somewhat impaired or deranged; dizzy; giddy.
    — Are his wits safe? Is he not light of brain?
  25. Easily interrupted by stimulation.
    — light sleep; light anesthesia
  26. Cheerful.
    — I wish you a good day, and you'll find a way To make your spirits light & gay
    A Good Day
副词 adv.
  1. Carrying little.
    — I prefer to travel light.

词形变化

lights plural lite alternative,archaic,informal lighte alternative,obsolete lyght alternative,obsolete lyghte alternative,obsolete licht alternative,Scotland lights present,singular,third-person lighting participle,present lit participle,past lit past lighted participle,past,uncommon lighted past,uncommon light obsolete,participle,past light obsolete,past lite alternative,archaic,informal lighte alternative,obsolete lyght alternative,obsolete lyghte alternative,obsolete licht alternative,Scotland lighter comparative lightest superlative lite alternative,archaic,informal lighte alternative,obsolete lyght alternative,obsolete lyghte alternative,obsolete licht alternative,Scotland lighter comparative lightest superlative lite alternative,archaic,informal lighte alternative,obsolete lyght alternative,obsolete lyghte alternative,obsolete licht alternative,Scotland lighter comparative lightest superlative lite alternative,archaic,informal lighte alternative,obsolete lyght alternative,obsolete lyghte alternative,obsolete licht alternative,Scotland lights plural lite alternative,archaic,informal lighte alternative,obsolete lyght alternative,obsolete lyghte alternative,obsolete licht alternative,Scotland lights present,singular,third-person lighting participle,present lighted participle,past lighted past lite alternative,archaic,informal lighte alternative,obsolete lyght alternative,obsolete lyghte alternative,obsolete licht alternative,Scotland lights present,singular,third-person lighting participle,present lit participle,past lit past lighted participle,past lighted past light obsolete,participle,past light obsolete,past lite alternative,archaic,informal lighte alternative,obsolete lyght alternative,obsolete lyghte alternative,obsolete licht alternative,Scotland

词汇关系

近义词
visible light luminance radiation with milk with cream ablaze coruscating dazzling effulgent flashy gleaming glowing hot illuminated incandescent irradiated lit lucent luminous lustrous radiant refulgent scintillating shiny sparkling splendent vibrant bright white
反义词
darkness T-ray X-ray alpha ray beta ray gamma ray infrared longwave mediumwave microwave radio wave shortwave ultraviolet cloudy dark dim dull shady heavy weighty burdensome cumbersome heavyweight massive calorific fatty strong forceful crucial important
上位词
electromagnetic radiation
下位词
accidental light afterlight amber light anchor light ancient lights available light bad light bedlight Bengal light big light black light blue light boob light booklight brake light Bude light calcium light candlelight catchlight cherry light Christmas light circularly polarized light circular polarized light cocklight coherent light cold light Coston light courtesy light crosslight dark light dashlight dawnlight daylight dome light downlight drop light Drummond light dry light dummy light dusklight earthlight electric light evenlight extragalactic background light Finsen light firelight flamelight flashlight floodlight fog light footlight forelight gaslight ghost light glowlight green light grow light guidelight hard light hazard light headlight Hessdalen light houselight icelight idiot light immeasurable light interlight isophase light jacklight key light klieg light lamplight lanternlight limelight magnesium light Marfa light Min Min light mood light moonlight natural light navigation light neon light nightlight occulting light owl light oxycalcium light oxyhydrogen light parking light park light pendant light pilot light plane polarized light pocket light polarized light polar lights practical light quarry light quick light range light rear light red light riding light ring light roof light rough service light running light safelight sea-light searchlight skylight slow light spotlight stack light starlight stop-and-go light stoplight streetlight strobe light sunlight swag light synchrotron light taillight tally light top light track light trouble light twilight ultraviolet light Very light warning light white light Wood's light X-light yardlight Yehudi lights yellow light zircon light zodiacal light
衍生词
aberration of light antilight antilights arc light bad light batement light Bengola light betalight better light bili light blue light bandit blue light disco blue-light special borrowed light bright lights bright lights and cold steel bring to light by one's lights can light cast light on catch the light city lights cold-cathode light cold steel and bright lights colour light colour light signal come to light cosmic light horizon deadlight density of light electric light bug elf-light enlight enlighten fairy lights false light fanlight faster-than-light faster than light faster-than-light particle fill light first light floating light floodlight Friday night lights give a light go out like a light greenlight guiding light half-light hard light hide one's light under a bushel hold a light hyperlight indicator light in light of in someone's light in the cold light of day in the light of jump the lights keep the lights on kilolight knock someone's lights out leaded light leading light leadlight let there be light lidar light at the end of the tunnel light ball lightbar light barrel light barrier light-bearing light bill lightboard lightboat lightbox light box light bucket light-bulbed lightbulb light bulb light buoy light century light characteristic light clock light-collecting power light cone light curve light day light decade light-dependent resistor light due light echo light elf light-emitting diode light engineering light eon light equation lightfast light field light fixture lightfront light-gathering power light gele light globe light grasp lightguide light gun lighthead light hour lighthouse light intensity light jockey lightkeeper lightless lightlike lightman lightmans lightmap lightmapping light meter light microscope light-mile light mill light millennium light minute light money lightmonger light month light-nanosecond light-off temperature light of nature light of one's eye light of one's life light-o'-love light on the hill light organ light painting light panel lightpath light pen light pillar light pipe light-polluted light pollution light porter lightpost light probe light profile lightproof lightray light ray lightroom lightsaber light sail lights, camera, action lightscape light-scattering photometry lightscot light second light sector light-sensitive lightshade lightshift lightship light-shot light show light-skirts light source lights out lights-out light spectrum lightspeed light speed lightstation light station lightstick lightstrip light-struck light switch light table light therapy light-tight light time light trespass lightvessel lightward lightwards light wave light week lightwell lightwork lightworker light year livers and lights looplight lovelight lowlight luthern-light make a light marker light marsh light matchlight microlight midlight more heat than light multilight northern lights offer the light one-way light time out like a light peak of eternal light penlight pick-to-light pipe-light pocketlight porchlight portlight punch someone's lights out put on the red light put someone's light out put someone's lights out quarter light quarterlight rainlight Range of Light ray of light reading light ringlight running lights rushlight the light the light of day set light shed light on shed light upon shine a light on shine light on Shine the Light Law shoot the lights out skylight snowlight southern lights spacelight speedlight speed of light Spirit of Light Spooklight stand in one's own light St. Elmo's light stop the lights straylight strike a light striplight strip light sub-light super-light sweetness and light tealight the lights are on but nobody's home the lights are on but no one's home throw light on thunderlight toplight torchlight trick of the light tubelight underlight warlight watchlight waxlight windowlight yellow light of death lightful lightwood nonlight overlight uplight better to light a candle than to curse the darkness better to light a single candle than to curse the darkness better to light one candle than to curse the darkness better to light one small candle than to curse the darkness chain-light highlight kick the tires and light the fires lightable light a fire under light off light on light one's hair on fire light someone's fire light the touch-paper light-up light upon light up the tote mislight prelight relight unlight light up Light Alfs light bread light brown apple moth lightface lightfaced light-haired lightie lightish light matter Light Net light orange light paper light plough light side of the Force lightskin light-skinned Light Web noonlight lightsome lightsomely lightsomeness alighten alt-light feather-light lady of light virtue large light cruiser light academia light air light as a feather light blue light bob light breeze light carrier light cavalry light corn syrup light cream light cruiser light-duty light engine light entertainment light-finger light-fingered light-fingeredness lightfoot light-footed lightfulness light green cell hormon light-handed light-headed light-headedly lightheadedness lighthearted light-heeled light horse light-horseman light hydrogen light icebreaker light industry light infantry light in the loafers light in the sneakers light-legged light line lightliness lightly light machine gun light meat light-minded light-mindedly light-mindedness light-mouthed lightness light novel light oil light on one's feet light opera lightplane light rail light railway light roller lightskirt lightskirts light soup light-spirited light stepper light vehicle light verb light water light waterline lightweight light-winged light-witted make light work of many hands make light work Metropolis light transport over light trip the light fantastic ultralight very light very-light verylight light along light down lighter light into light out
相关词
photon belight inlight lightness lighty
部分词
bioluminescence color photograph

词源

词源 1
Etymology tree
Proto-Indo-European *lewk-der.
Proto-Germanic *leuhtaz
Proto-West Germanic *leuht
Old English lēoht
Middle English light
English light
From Middle English light, liht, leoht, from Old English lēoht, from Proto-West Germanic *leuht, from Proto-Germanic *leuhtą, from Proto-Indo-European *lewktom, from the root *lewk- (“to shine”).
Cognates
* Scots licht (“light”)
* Saterland Frisian Ljoacht, Lucht (“light”)
* West Frisian ljocht (“light”)
* Dutch licht (“light”)
* German Licht (“light”)
* German Low German Licht (“light”)
* Limburgish Leech, Leet, Léït (“light”)
* Luxembourgish Liicht (“light”)
* Vilamovian łicht (“light”)
* Yiddish ליכט (likht, “light”)
* Danish and Norwegian Bokmål lys (“light”)
* Elfdalian liuos (“light”)
* Faroese and Icelandic ljós (“light”)
* Norwegian Nynorsk ljos, ljus, lys (“light”)
* Swedish ljus (“light”)
* Latin lūx (“light”)
* Russian луч (luč, “beam of light”)
* Armenian լույս (luys, “light”)
* Ancient Greek λευκός (leukós, “white”)
* Persian رُخش (roxš).
词源 2
From Middle English lighten, lihten, from Old English līehtan (“to light, to shine”), from Proto-Germanic *liuhtijaną, from *leuhtą + *-janą. Cognate with German leuchten (“to shine”).
词源 3
From Middle English light, liht, leoht, from Old English lēoht (“luminous, bright, light, clear, resplendent, renowned, beautiful”), from Proto-Germanic *leuhtaz (“light”), from Proto-Indo-European *lewk- (“light”). Cognate with Saterland Frisian ljoacht (“light”), Dutch licht, German licht.
词源 4
From Middle English liȝt, lyghte, from Old English lēht, lēoht, līht, from Proto-West Germanic *lį̄ht, from Proto-Germanic *linhtaz or *līhtaz (“light (in weight)”), from Proto-Indo-European *h₁lengʷʰ- (“lightweight”).
Cognates
Cognate with Dutch licht (“light (not heavy)”), German leicht (“light (not heavy)”), Luxembourgish liicht (“lightweight”), Vilamovian łajcht (“easy”), Yiddish לײַכט (laykht, “light (of low weight)”), Danish let (“light (not heavy)”), Faroese lættur (“light (of weight); easy (to do)”), Icelandic léttur (“light (not weighing much); easy”), Norwegian Bokmål and Norwegian Nynorsk lett (“light (not heavy); easy”), Swedish lätt (“light; of low weight”), Gothic 𐌻𐌴𐌹𐌷𐍄𐍃 (leihts, “light (in weight)”); also Irish léim (“jump, leap; obstacle to be jumped; chasm, promontory”), Scottish Gaelic leum, lèim (“bound, frisk, leap; jump”), Welsh llai (“smaller; fewer, less”), Latin levis (“light (not heavy)”), Greek ελαφρός (elafrós, “lightweight; slight, thin, weak”), Albanian lehtë (“lightweight; easy”), Lithuanian lengvas (“light (not heavy); easy”), Belarusian лёгкі (ljóhki, “light (not heavy); easy”), Bulgarian and Macedonian лек (lek, “light (not heavy)”), Czech lehký (“light (of low weight); easy”), Polish lekki, lętki (“light (having little physical weight); easy (not demanding much effort; not difficult)”), Russian лёгкий (ljóxkij, “lightweight; easy”), Serbo-Croatian ла̏к, ла̏ган, lȁk, lȁgan (“easy; light (not heavy)”), Slovak ľahký (“light (of low weight); easy”), Slovene lahek (“light (of low weight); easy”), Ukrainian легки́й (lehkýj, “lightweight”), Armenian լանջ (lanǰ), լանջք (lanǰkʻ, “breast; mountain slope”), Persian لاغر (lâġar, “lithe; skinny; slender; thin”), Tocharian B lankᵤtse (“light (not heavy)”), Sanskrit लघु (laghu), रघु (raghu, “easy, light, not heavy or difficult”).
词源 5
From Middle English lighten, from Old English līhtan (“to relieve”), from Proto-West Germanic *lį̄htijan, from Proto-Germanic *linhtijaną, from *linhtaz (“light”).
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