1. (

• concentrate ,

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

2. (

• concentrate ,
• focus ,
• center ,
• centre ,
• pore ,
• rivet

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

3. (

• centralize ,
• centralise ,
• concentrate ,

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

4. (

• digest ,
• condense ,
• concentrate ,

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

5. (

• concentrate

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

6. (

• condense ,
• concentrate ,
• contract ,

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

7. (

• boil_down ,
• reduce ,
• decoct ,
• concentrate ,

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

8. (

• reduce ,
• boil_down ,
• concentrate

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