concentrate (

     n 1: the desired mineral that is left after impurities have been
          removed from mined ore [syn: dressed ore]
     2: a concentrated form of a foodstuff; the bulk is reduced by
        removing water
     3: a concentrated example; "the concentrate of contemporary
     v 1: make dense or denser; of the solvent of a solution
     2: focus one's attention on something; "Please focus on your
        studies and not on your hobbies" [syn: focus, center,
        centre, pore, rivet]
     3: make central; "The Russian government centralized the
        distribution of food" [syn: centralize, centralise]
        [ant: decentralize, decentralize, decentralize]
     4: make more concise; "condense the contents of a book into a
        summary" [syn: condense]
     5: draw together or meet in one common center; "These groups
        concentrate in the inner cities"
     6: compress or concentrate; "Congress condensed the three-year
        plan into a six-month plan" [syn: condense, contract]
     7: be cooked until very little is left; as of sauces; "The
        sauce should reduce to one cup" [syn: boil down, reduce,
     8: cook until very little liquid is left, as of sauces; "The
        cook reduced the sauce by boiling it for a long time"
        [syn: reduce, boil down]