concentrate (Verb) — Make denser, stronger, or purer. ex. "concentrate juice"
concentrate (Verb) — Direct one's attention on something. ex. "Please concentrate on your studies and not on your hobbies"
concentrate (Verb) — Make central.
concentrate (Verb) — Make more concise. ex. "concentrate the contents of a book into a summary"
concentrate (Verb) — Draw together or meet in one common centre. ex. "These groups concentrate in the inner cities"
concentrate (Verb) — Compress or concentrate.
concentrate (Verb) — (cooking) be cooked until very little liquid is left. ex. "The sauce should concentrate to one cup"
concentrate (Verb) — (cooking) cook until very little liquid is left. ex. "The cook concentrated the sauce by boiling it for a long time"
concentrate (Noun) — The desired mineral that is left after impurities have been removed from mined ore.
concentrate (Noun) — A concentrated form of a foodstuff; the bulk is reduced by removing water.
concentrate (Noun) — A concentrated example of something. ex. "the concentrate of contemporary despair"