<p><strong>Verb (used with object)</strong></p><ul><li>To bring or draw to a common center or point of union; converge; direct toward one point; focus:<ul><li>To concentrate one's attention on a problem.</li><li>To concentrate the rays of the sun with a lens.</li></ul></li><li>Antonyms: disperse, dissipate</li><li>To put or bring into a single place, group, etc.:<ul><li>The nation's wealth had been concentrated in a few families.</li></ul></li><li>To intensify; make denser, stronger, or purer, especially by the removal or reduction of liquid:<ul><li>To concentrate fruit juice.</li><li>To concentrate a sauce by boiling it down.</li></ul></li><li>Mining: To separate (metal or ore) from rock, sand, etc., so as to improve the quality of the valuable portion.</li></ul><p><strong>Verb (used without object)</strong></p><ul><li>To bring all efforts, faculties, activities, etc., to bear on one thing or activity (often followed by on or upon):<ul><li>To concentrate on solving a problem.</li></ul></li><li>Antonyms: diverge</li><li>To come to or toward a common center; converge; collect:<ul><li>The population concentrated in one part of the city.</li></ul></li><li>To become more intense, stronger, or purer.</li></ul><p><strong>Noun</strong></p><ul><li>A concentrated form of something; a product of concentration:<ul><li>A juice concentrate.</li></ul></li></ul><p><strong>End of Response</strong></p>