PBS |
abbreviation of "Public Broadcasting Service." |
PBX |
abbreviation of "private branch exchange." |
PC |
abbreviation of "personal computer," a compact computer designed for individual use; microcomputer. |
pc. |
abbreviation of "piece." |
PCB |
any of a family of highly toxic chlorinated isomers of biphenyl, formerly used in manufacturing and as an electrical insulator; polychlorinated biphenyl. |
P-Celtic |
a branch of the Celtic languages that includes Welsh, Cornish, and Breton, in which a "p" sound replaced the Proto-Indo-European "kw" sound. |
PCP |
a powerful and dangerous drug originally intended as an animal tranquilizer but sometimes ingested by humans for its psychedelic and mood-altering effects; phenylcyclohexylpiperidine, or phencyclidine pill. |
pct. |
abbreviation of "percent" or "percentage." |
PCV |
abbreviation of "positive crankcase ventilation," the flow of engine exhaust fumes into an auto engine's cylinders as part of a pollution control system. |
PCV valve |
a one-way valve that regulates the flow of engine exhaust fumes into an auto engine's cylinders, as part of a pollution control system. |
Pd |
symbol of the chemical element palladium. |
P.D. |
abbreviation of "police department." |
pd. |
abbreviation of "paid." |
PDF |
abbreviation of "portable document format," a file format (invented by Adobe Systems, Inc.) that represents documents created in a variety of word processing and desktop publishing programs as they were intended to appear, independently of the platform or hardware with which they are created or read. |
PDQ |
(informal) abbreviation of "pretty damn quick." |
PDT |
abbreviation of "Pacific Daylight Time." |
P/E |
abbreviation of "price-earnings." (See "price-earnings ratio.") |
P.E.1 |
abbreviation of "physical education." |
P.E.2 |
an abbreviation of "physical education." |
pe |
the name of the seventeenth letter of the Hebrew alphabet. |
pea |
a small, round, green seed borne in pods on a climbing plant of the legume family, and used as a vegetable. [3 definitions] |