fraction
/ˈfrækʃən/noun
1
- a numerical quantity that is not a whole number (e.g. ½, 0.5)分数; 小数。
1.1
- a small or tiny part, amount, or proportion of something小部分; 微量：
he hesitated for a fraction of a second
他犹豫了片刻
her eyes widened a fraction.
她的眼睛稍微睁大了一点儿。
1.2
- a dissenting group within a larger one持不同意见的小集团。
1.3
- each of the portions into which a mixture may be separated by a process in which the individual components behave differently according to their physical properties馏分, 分馏物。
2
- （一般作the Fraction）(in the Christian Church) the breaking of the Eucharistic bread（基督教用语）分切圣餐面包。
词源
late Middle English: via Old French from ecclesiastical Latin fractio（n-） 'breaking (bread)', from Latin frangere 'to break'.