Dictionary
con•cen•trate
Pronunciation: (kon'sun-trāt"), [key]
—v., -trat•ed, -trat•ing,
—n.
—
v.t.
1. to bring or draw to a common center or point of union; converge; direct toward one point; focus:
to concentrate one's attention on a problem; to concentrate the rays of the sun with a lens.
2. to put or bring into a single place, group, etc.:
The nation's wealth had been concentrated in a few families.
3. to intensify; make denser, stronger, or purer, esp. by the removal or reduction of liquid:
to concentrate fruit juice; to concentrate a sauce by boiling it down.
4. Mining.to separate (metal or ore) from rock, sand, etc., so as to improve the quality of the valuable portion.
—
v.i.
1. to bring all efforts, faculties, activities, etc., to bear on one thing or activity (often fol. by
on or
upon):
to concentrate on solving a problem.
2. to come to or toward a common center; converge; collect:
The population concentrated in one part of the city.
3. to become more intense, stronger, or purer.
—
n.
a concentrated form of something; a product of concentration:
a juice concentrate. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.