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1. Hold attention and exert mental effort on something
   "Please concentrate on your studies and not on your hobbies";
   - focus, center [US], centre [Brit, Cdn], pore, rivet, pore over
    
2. Make denser, stronger, or purer
   "concentrate juice"
    
3. Make central
   - centralize, centralise [Brit]
    
4. Make more concise
   "concentrate the contents of a book into a summary";
   - digest, condense, distill [N. Amer], distil [Brit]
    
5. Draw together or meet in one common centre
   "These groups concentrate in the inner cities"
    
6. Compress or concentrate
   - condense, contract
    
7. (cooking) be cooked until very little liquid is left
   "The sauce should concentrate to one cup";
   - boil down, reduce, decoct [archaic]
    
8. (cooking) cook until very little liquid is left
   "The cook concentrated the sauce by boiling it for a long time";
   - reduce, boil down

1. The desired mineral that is left after impurities have been removed from mined ore
   - dressed ore
    
2. A concentrated form of a foodstuff; the bulk is reduced by removing water
    
3. A concentrated example of something
   "the concentrate of contemporary despair"

Derived forms: concentrates, concentrating, concentrated

Type of: abbreviate, abridge, alter, cerebrate, change, change state, cogitate, contract, converge, cut, decrease, diminish, epitome, fall, food product, foodstuff, foreshorten, image, lessen, minify, modify, ore, paradigm, prototype, reduce, shorten, think, turn

Antonym: decentralize

Encyclopedia: Concentrate