perc.

Noun

perchloroethylene (countable and uncountable, plural perchloroethylenes)

1. Synonym of tetrachloroethylene, a nonflammable, non-polar solvent with low toxicity, especially in the dry-cleaning trade

   Synonyms:

   tetrachloroethylene, PCE, perc

Noun

percussion (countable and uncountable, plural percussions)

1. (countable) The collision of two bodies in order to produce a sound.
2. (countable) The sound so produced.
3. (countable) The detonation of a percussion cap in a firearm.
4. The tapping of the body as an aid to medical diagnosis.
5. The section of an orchestra or band containing percussion instruments; such instruments considered as a group; in bands, may be separate from drum kits.
6. The repeated striking of an object to break or shape it, as in percussion drilling.
   • Moreover, a perfect Medal has its Profile and out-ſtroaks ſharp (Nummus aſper) and by no means rugged; the Figures clean and well poliſh'd; the Contours neatly trimm'd, and exactly round and carefully preſerv'd; that the Extancy and Relievos correſpond with the Ingraving, and have not ſuffer'd in...1697, J[ohn] Evelyn, “Instructions How to Collect, and Procure such Medals as are Antique, and Rare; and to Distinguish the True from the False, for the Prevention of Frauds and Impostures”, in...

See all 7 meanings of percussion