1. (chemistry) an ionic compound that resists changes in its pH Noun
2. A neutral zone between two rival powers that is created in order to diminish the danger of conflict Noun
3. An inclined metal frame at the front of a locomotive to clear the track Noun
4. (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 Noun
5. A power tool used to buff surfaces Noun
6. A cushion-like device that reduces shock due to an impact Noun
7. An implement consisting of soft material mounted on a block; used for polishing (as in manicuring) Noun