| 释义 |
WordReference Random House Learner's Dictionary of American English © 2024frac•tion /ˈfrækʃən/USA pronunciation n. [countable]- Mathematicsa number usually expressed in the form a/b.
- a part of a whole;
portion:Only a fraction of the members voted. - a very small part or segment:You can now buy this software at only a fraction of the original cost.
frac•tion•al, adj. See -frac-. WordReference Random House Unabridged Dictionary of American English © 2024frac•tion (frak′shən),USA pronunciation n. - Mathematics
- a number usually expressed in the form a/b.
- a ratio of algebraic quantities similarly expressed.
- Chemistry(in a volatile mixture) a component whose range of boiling point temperatures allows it to be separated from other components by fractionation.
- a part as distinct from the whole of anything;
portion or section:The meeting started with a fraction of us present. - a very small part or segment of anything;
minute portion:Only a fraction of the work was completed on time. - a very small amount;
a little bit:It was only a fraction away from completion. - a piece broken off;
fragment or bit. - the act of breaking.
- Religion[Eccles.](in a Eucharistic service) the breaking of the Host.
v.t., v.i. - to divide or break into fractions, sections, factions, etc.:Dissension threatens to fraction the powerful union.
- Late Latin frāctiōn- (stem of frāctiō) a breaking (in pieces), equivalent. to Latin frāct(us) (past participle of frangere to break) + -iōn- -ion
- Middle English fraccioun 1350–1400
- 3, 6.See corresponding entry in Unabridged See part.
Collins Concise English Dictionary © HarperCollins Publishers:: fraction /ˈfrækʃən/ n - a ratio of two expressions or numbers other than zero
- any part or subdivision
- a small piece; fragment
- a component of a mixture separated by a fractional process, such as fractional distillation
- the formal breaking of the bread in Communion
Etymology: 14th Century: from Late Latin fractiō a breaking into pieces, from Latin fractus broken, from frangere to break |