[noun] an ionic compound that resists changes in its pH
[noun] an inclined metal frame at the front of a locomotive to clear the track Synonyms:fender, cowcatcher, pilot
[noun] (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 Synonyms:storage, store
[noun] a power tool used to buff surfaces Synonyms:polisher
[noun] a cushion-like device that reduces shock due to contact Synonyms:fender
[noun] an implement consisting of soft material mounted on a block; used for polishing (as in manicuring) Synonyms:buff
[verb] add a buffer (a solution); "buffered saline solution for the eyes"
[verb] protect from impact; "cushion the blow" Synonyms:cushion, soften