n.[C]

1. 小部分；片段；碎片
   He has done only a fraction of his homework.

   他只做了家庭作业的一小部分。

2. 些微，一点儿[S][（+of）]
   The story does not contain a fraction of truth.

   这故事没有一点真实性。

3. 【数】分数
4. 【化】馏分；级分

n.

1. a numerical quantity that is not a whole number (e.g. ¹⁄₂, 0.5).
2. a small or tiny part, amount, or proportion.
   ▸a dissenting group within a larger one.
3. Chemistry  each of the portions into which a mixture may be separated according to a physical property such as boiling point or solubility.
4. (usu. the Fraction) (in the Christian Church) the breaking of the Eucharistic bread.