fraction

B2 CET-4 Oxf 5000 大学 FREQ #12246 ★★☆☆☆

n. 小部分, 破片, 分数 [医] 部分, 成分, 分散

发音

其它 /ˈfɹæk.ʃən/

词形变化

fractions 复数 fractions fractioned fractioning fractions 三单 fractioning 现在分词 fractioned 过去式 fractioned 过去分词

教材释义与例句

名词

分数；部分；小部分；稍微

释义与例句

n. B2 Oxf 5000
  1. 1.

    A part of a whole, especially a comparatively small part.

    部分

  2. 2.

    A ratio of two numbers (numerator and denominator), usually written one above the other and separated by a horizontal bar called the vinculum or, alternatively, in sequence on the same line and separated by a solidus (diagonal bar).

    分数

    Gasoline prices show the mill as a fraction, for example $3.59+⁹⁄₁₀.

  3. 3.

    A component of a mixture, separated by fractionation.

    化学
  4. 4.

    In a eucharistic service, the breaking of the host.

    宗教
  5. 5.

    A small amount.

  6. 6.

    The act of breaking, or state of being broken, especially by violence.

    古体
v.
  1. 1.

    To divide or break into fractions.

    及物
  2. 2.

    To fractionate.

    及物

词汇关系

名词

上位词 6

part chemical rational portion chemical substance rational number

下位词 7

common fraction complex fraction continued fraction improper fraction mantissa proper fraction simple fraction
动词

同义词 1

divide

上位词 7

figure reckon calculate cipher compute cypher work out

下位词 3

go quarter halve

相关短语

fraction slash fraction slashes fraction bar [计] 分数斜划 fraction bars Euler's continued fraction formula mole fraction [化] 摩尔分数 improper fraction n. 假分式, 假分数 proper fraction [计] 真分数 vulgar fraction n. 普通分数 common fraction 简分数, 普通分数 Egyptian fraction unit fraction continued fraction 连分数 case fraction decimal fraction n. 小数 [计] 十进制小数

词源

Etymology tree Middle English fraccioun English fraction From Middle English fraccioun (“a breaking”), from Anglo-Norman, Old French fraccion, from Medieval Latin fractio (“a fragment, portion”), from earlier Latin fractio (“a breaking, a breaking into pieces”), from fractus, past participle of frangere (“to break”) (whence English frangible), from Proto-Indo-European *bʰreg- (English break). Doublet of frazione.

来源：wiktionary