1. (

• buffer

) (chemistry) an ionic compound that resists changes in its pH ;

2. (

• buffer_zone ,
• buffer

) a neutral zone between two rival powers that is created in order to diminish the danger of conflict ;

3. (

• fender ,
• buffer ,
• cowcatcher ,
• pilot ,

) an inclined metal frame at the front of a locomotive to clear the track ;

4. (

• buffer ,
• buffer_storage ,
• buffer_store

) (computer science) a part of RAM used for temporary storage of data that is waiting to be sent to a device; used to compensate for differences in the rate of flow of data between components of a computer system ;

5. (

• buffer ,
• polisher

) a power tool used to buff surfaces ;

6. (

• buffer ,
• fender

) a cushion-like device that reduces shock due to an impact ;

7. (

• buff ,
• buffer ,

) an implement consisting of soft material mounted on a block; used for polishing (as in manicuring) ;

1. (

• buffer

) add a buffer (a solution); "buffered saline solution for the eyes" ;

2. (

• cushion ,
• buffer ,
• soften

) protect from impact; "cushion the blow" ;