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| con·cen·trate [ kónss'n tràyt ] |
verb (past and past participle con·cen·trat·ed, present participle con·cen·trat·ing, 3rd person present singular con·cen·trates) |
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1. transitive and intransitive verb think intensely about something: to focus all of your thoughts or mental activity on one subject or activity, usually in silence
 I found myself unable to concentrate on my work.
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2. transitive and intransitive verb devote efforts to one thing: to direct attention, time, and resources to one particular area or activity, usually over a period of time
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3. transitive and intransitive verb cluster together: to bring things together in the same place or area, or to come together in the same place
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4. transitive verb make substance purer: to make a substance purer by the removal of another substance, especially by removing a liquid
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5. intransitive verb education Same as major
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6. transitive and intransitive verb make something thicker or stronger: to remove water from a substance, usually a liquid, leaving a smaller quantity that is thicker in consistency and stronger in flavor, or become thicker and stronger in this way
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7. transitive and intransitive verb accumulate in tissue: to accumulate, or cause a substance to accumulate, in biological tissue over a period of time
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8. transitive verb minerals purify ore: to remove rock and other material from ore to purify it
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noun (plural con·cen·trates) |
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| Definition: |
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1. pure substance: a substance made purer by the removal of another, especially a liquid
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2. thick food substance: a food substance, especially a liquid, made thicker or stronger in flavor by the removal of liquid
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| [Mid-17th century. <concenter] |
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 con·cen·trat·ed adjective |
 con·cen·trat·ed·ly adverb |
 con·cen·tra·tive adjective |
 con·cen·tra·tive·ly adverb |
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