[syn: reduce, boil down, concentrate]
The Collaborative International Dictionary of English v.0.48:
Concentrate \Con*cen"trate\ (? or ?), v. t. [imp. & p. p.
Concentrated; p. pr. & vb. n. Concentrating.] [Pref. con-
+ L. centrum center. Cf. Concenter.]
1. To bring to, or direct toward, a common center; to unite
more closely; to gather into one body, mass, or force; to
fix; as, to concentrate rays of light into a focus; to
concentrate the attention.
[1913 Webster]
(He) concentrated whole force at his own camp.
--Motley.
[1913 Webster]
2. To increase the strength and diminish the bulk of, as of a
liquid or an ore; to intensify, by getting rid of useless
material; to condense; as, to concentrate acid by
evaporation; to concentrate by washing; -- opposed to
dilute.
[1913 Webster]
Spirit of vinegar concentrated and reduced to its
greatest strength. --Arbuthnot.
Syn: To combine; to condense; to consolidate.
[1913 Webster]
The Collaborative International Dictionary of English v.0.48:
Concentrate \Con*cen"trate\ (? or ?), v. i.
To approach or meet in a common center; to consolidate; as,
population tends to concentrate in cities.
[1913 Webster]
WordNet (r) 3.0 (2006):
concentrate
n 1: the desired mineral that is left after impurities have been
removed from mined ore [syn: dressed ore, concentrate]
2: a concentrated form of a foodstuff; the bulk is reduced by
removing water
3: a concentrated example of something; "the concentrate of
contemporary despair"
v 1: make denser, stronger, or purer; "concentrate juice"
2: direct one's attention on something; "Please focus on your
studies and not on your hobbies" [syn: concentrate,
focus, center, centre, pore, rivet]
3: make central; "The Russian government centralized the
distribution of food" [syn: centralize, centralise,
concentrate] [ant: decentralise, decentralize,
deconcentrate]
4: make more concise; "condense the contents of a book into a
summary" [syn: digest, condense, concentrate]
5: draw together or meet in one common center; "These groups
concentrate in the inner cities"
6: compress or concentrate; "Congress condensed the three-year
plan into a six-month plan" [syn: condense, concentrate,
contract]
7: be cooked until very little liquid is left; "The sauce should
reduce to one cup" [syn: boil down, reduce, decoct,
concentrate]
8: cook until very little liquid is left; "The cook reduced the
sauce by boiling it for a long time" [syn: reduce, boil
down, concentrate]