concentrate

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

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

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

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

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

make central; "The Russian government centralized the distribution of food"

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

draw together or meet in one common center; "These groups concentrate in the inner cities"

compress or concentrate; "Congress condensed the three-year plan into a six-month plan"

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

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