addition

名词 n.
中文释义

英文释义

名词 n.
  1. The act of adding anything. uncountable
    — The addition of five more items to the agenda will make the meeting unbearably long.
  2. Anything that is added. countable,uncountable
  3. The arithmetic operation of adding. uncountable
  4. A dot at the right side of a note as an indication that its sound is to be lengthened one half. countable,uncountable
  5. A title annexed to a person's name to identify him or her more precisely. countable,uncountable
    — […]They clip vs drunkards, and with Swiniſh phraſe / Soyle our addition, and indeede it takes / From our atchieuements, though perform’d at height / The pith and marrow of our attribute[…]
  6. Something added to a coat of arms, as a mark of honour. countable,uncountable
  7. an organic reaction where two or more molecules combine to form a larger one (the adduct). countable,uncountable

词形变化

additions plural

词汇关系

近义词
supplement addition
反义词
exclusion reduction deduction subtraction removal
衍生词
additional additionary additionist addition polymerisation addition polymerization addition reaction addition sign coaddition cycloaddition digitaddition gyroaddition heteroaddition in addition in addition to isoaddition Michael addition misaddition nonaddition photoaddition polyaddition readdition retroaddition spike addition superaddition
相关词
add adder additive plus sign + = + =
并列词
succession multiplication exponentiation tetration pentation hexation

词源

Etymology tree
Proto-Indo-European *h₂éd
Proto-Italic *ad
Proto-Italic *ad-
Latin ad-
Proto-Indo-European *dʰeh₁-
Proto-Indo-European *dʰéh₁tder.
Proto-Italic *-ðō
Latin -dō
Latin addō
Latin additiōder.
Old French aditionder.
Middle English addicioun
English addition
Sense of “what is added” dates from 14th century, from Middle English addicioun, addition, from Old French adition, from Latin additiōnem, accusative singular of additiō, from addō (“add, put”).
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