n. a concentrated example of something; "the concentrate of contemporary despair"

n. a concentrated form of a foodstuff; the bulk is reduced by removing water

n. the desired mineral that is left after impurities have been removed from mined ore

v. cook until very little liquid is left; "The cook reduced the sauce by boiling it for a long time"

v. be cooked until very little liquid is left; "The sauce should reduce to one cup"

v. make denser, stronger, or purer; "concentrate juice"

v. make more concise; "condense the contents of a book into a summary"

v. make more concise; "condense the contents of a book into a summary"

v. direct one's attention on something; "Please focus on your studies and not on your hobbies"