FluentPlex

concentrate

/ˈkɑn.sən.tɹeɪt/ verb A2
  1. 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
  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. · to concentrate acid by evaporation· to concentrate by washing
  3. To approach or meet in a common center; to consolidate. · Population tends to concentrate in cities.
  4. To focus one's thought or attention (on). (intransitive) · (oneself)· Let me concentrate!

He/she/it concentrates · Past concentrated · Past participle concentrated · -ing form concentrating

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Verb forms

Base form
concentrate
He/she/it
concentrates
Past
concentrated
Past participle
concentrated
-ing form
concentrating

From the library

The stranger ascended a rough staircase, and before a table, illumined by a lamp whose light was concentrated by a large shade while the rest of the apartment was in partial darkness, he perceived the abbé in a monk’s dress, with a cowl on his head such as was used by learned men of the Middle Ages.
The Count of Monte Cristo, p. 711 · C1
I have wired to Overton to let us know any fresh London developments at this address, and in the meantime we can only concentrate our attention upon Dr.
The Return of Sherlock Holmes, p. 118 · C1
Noirtier’s hair was long and white, and flowed over his shoulders; while in his eyes, shaded by thick black lashes, was concentrated, as it often happens with an organ which is used to the exclusion of the others, all the activity, address, force, and intelligence which were formerly diffused over his whole body; and so although the movement of the arm, the sound of the voice, and the agility of the body, were wanting, the speaking eye sufficed for all.
The Count of Monte Cristo, p. 607 · C1
Well, then, see, here is a gentleman who had none of these resources at his disposal—a gentleman, only a simple magistrate, who learned more than you with all your police, and who would have saved my crown, if, like you, he had the power of directing a telegraph.” The look of the minister of police was turned with concentrated spite on Villefort, who bent his head in modest triumph.
The Count of Monte Cristo, p. 102 · C1

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Words, meanings, pronunciations and translations from Wiktionary (CC BY-SA 4.0); how common each word is from wordfreq. Made into this dictionary by FluentPlex.