Definition from Wiktionary, the free dictionary
From French concentrer.
- (transitive, intransitive) To bring to, or direct toward, a common center; to unite more closely; to gather into one body, mass, or force.
- to concentrate rays of light into a focus
- to concentrate the attention
- Let me concentrate!
- 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; -- opposed to dilute.
- to concentrate acid by evaporation
- to concentrate by washing
- To approach or meet in a common center; to consolidate.
- Population tends to concentrate in cities.
- 2006, Edwin Black, chapter 2, Internal Combustion:
- Buried within the Mediterranean littoral are some seventy to ninety million tons of slag from ancient smelting, about a third of it concentrated in Iberia. This ceaseless industrial fueling caused the deforestation of an estimated fifty to seventy million acres of woodlands.
- (intransitive) To focus one's thought or attention (on).
bring to, or direct toward, a common center
increase the strength and diminish the bulk of, as of a liquid or an ore
approach or meet in a common center
focus one's thought or attention
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Translations to be checked
Derived terms 
concentrate (plural concentrates)
- A substance that is in a condensed form.
A substance that is in a condensed form
concentrate f pl
- feminine plural of concentrato
- second-person plural present tense of concentrare
- second-person plural imperative of concentrare
- feminine plural of concentrato, past participle of concentrare