potassium

名词 n.
发音 pətăs′ēəm

英文释义

名词 n.
  1. A soft, waxy, silvery reactive metal that is never found unbound in nature; an element with atomic number 19 and atomic weight of 39.0983. uncountable,usually
    — We all need potassium, and green vegetables are a good source.
  2. An atom of this element. countable,usually
    — This reaction substitutes a potassium for a sodium.

词形变化

potassiums plural

词汇关系

近义词
衍生词
acesulfame potassium bismuthide of potassium bromide of potassium carbonate of potassium chromate of potassium dipotassium hexapotassium hydrogen potassium carbonate hyperpotassemia hypopotassemia methylpotassium monopotassium nonpotassium organopotassium pentapotassium plumbate of potassium potassamide potassian potassic potasside potassiferous potassio- potassium-39 potassium-40 potassium-42 potassium-43 potassium acesulfame potassium acetate potassium acid carbonate potassium adipate potassium alginate potassium aluminate potassium aluminium silicate potassium aluminium sulfate potassium aluminum sulfate potassium aluminium sulphate potassium amide potassium antimonyl tartrate potassium argentocyanide potassium-argon dating potassium ascorbate potassium bentonite potassium benzoate potassium bicarbonate potassium bifluoride potassium bisulfate potassium bisulphite potassium bitartrate potassium bromate potassium bromide potassium carbonate potassium channel potassium chlorate potassium chloride potassium chromate potassium citrate potassium cyanide potassium deficiency potassium dichromate potassium dicyanoargentate potassium feldspar potassium ferrate potassium ferricyanide potassium ferrocyanide potassium fluoborate potassium fluoride potassium fluorotantalate potassium fluorotitanate potassium fluosilicate potassium formate potassium fulminate potassium fumarate potassium gluconate potassium glutamate potassium glycerophosphate potassium gold chloride potassium gold cyanide potassium guanylate potassium hexafluoroaluminate potassium hexafluoroantimonate potassium hexafluoroarsenate potassium humate potassium hydrate potassium hydride potassium hydrogen carbonate potassium hydroxide potassium inosinate potassium iodate potassium iodide potassium iodohydrargyrate potassium lactate potassiumlike potassium linoleate potassium magnesium chloride hexahydrate potassium malate potassium manganate potassium manganite potassium metabisulfite potassium niobate potassium nitrate potassium nitrite potassium osmate potassium oxalate potassium oxide potassium percarbonate potassium perchlorate potassium periodate potassium permanganate potassium peroxide potassium persulfate potassium perxenate potassium phosphate potassium platinocyanide potassium plumbate potassium salt potassium selective electrode potassium silicate potassium silver cyanide potassium soap potassium sorbate potassium stannate potassium stannite potassium sulfate potassium sulphate potassium sulfite potassium sulphite potassium thiocyanate potassium titanyl phosphate potassium vanadate potassium xanthate potassium zirconium fluoride potassoxyl radiopotassium sodium-potassium pump tetrapotassium tripotassium undecapotassium

词源

Coined by British chemist Humphry Davy in 1807, from potassa (a Latinized form of potash) + -ium.
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