addition

B1 CET-4 Oxf 3000 高中 FREQ #4999 ★★★★☆

n. 加法, 增加的人(或物) [计] 加法

发音

US /əˈdɪʃ.ən/
IN /ˈə.ɖɪ.ʃən/

词形变化

additions 复数 additions

别名

addn addn.

教材释义与例句

名词

添加；[数] 加法；增加物

the act of adding something to something else

名词

添加； 加法；增加物

This is a fine book; a worthy addition to the series.

这是一本好书——是对这套丛书有价值的增补。

释义与例句

n. B1 Oxf 3000
  1. 1.

    The act of adding anything.

    增加

    添加

    附加

    不可数 可数

    The addition of five more items to the agenda will make the meeting unbearably long.

  2. 2.

    Anything that is added.

    可数 不可数
  3. 3.

    The arithmetic operation of adding.

    加法

    添加

    不可数 可数
  4. 4.

    A dot at the right side of a note as an indication that its sound is to be lengthened one half.

    可数 不可数 音乐
  5. 5.

    A title annexed to a person's name to identify him or her more precisely.

    可数 不可数 法律
  6. 6.

    Something added to a coat of arms, as a mark of honour.

    可数 不可数 政治 纹章
  7. 7.

    an organic reaction where two or more molecules combine to form a larger one (the adduct).

    可数 不可数 化学

词汇关系

名词

同义词 6

gain increase summation add-on accession improver

反义词 1

subtraction

上位词 9

increase element component acquisition suburb suburbia constituent step-up arithmetic operation

下位词 10

wing extension attachment annex afterthought additive annexe retrofit accretion elongation

相关短语

in addition to 除...之外 in addition 另外 addition reaction [化] 加成; 加成反应 [医] 加合反应 addition polymerisation addition polymerization [化] 加聚; 加成聚合 addition reactions addition polymerizations addition polymerisations addition sign addition signs spike addition Michael addition [化] 迈克尔加成

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”).

来源：wiktionary