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WordReference Random House Unabridged Dictionary of American English © 2024frac•tion•al (frak′shə nl),USA pronunciation adj. - Mathematicspertaining to fractions; comprising a part or the parts of a unit;
constituting a fraction:fractional numbers. - comparatively small;
inconsiderable or insignificant:The profit on the deal was fractional. - Chemistryof or noting a process, as distillation, crystallization, or oxidation, by which the component substances of a mixture are separated according to differences in certain of their properties, as boiling point, critical temperature, or solubility.
Also, frac•tion•ar•y (frak′shə ner′ē).USA pronunciation frac′tion•al•ly, adv. Collins Concise English Dictionary © HarperCollins Publishers:: ˈfractional /ˈfrækʃənəl/, fractionary / ˈfrækʃənərI/ adj - relating to, containing, or constituting one or more fractions
- of or denoting a process in which components of a mixture are separated by exploiting differences in their physical properties, such as boiling points, solubility, etc: fractional distillation, fractional crystallization
- very small or insignificant
- broken up; fragmented
ˈfractionally adv 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.
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