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CPA abbreviation of "Certified Public Accountant," an accountant who has received an official state certificate for having fulfilled the legal requirements of that state.
CPI abbreviation of "consumer price index."
Cpl. abbreviation of "Corporal," a noncommissioned officer in the U.S. Army, Air Force, or Marine Corps ranked below sergeant and above private first class (used in a proper name).
CPR abbreviation of "cardiopulmonary resuscitation."
CPU abbreviation of "central processing unit," (in computing) the part of a computer that interprets program commands and executes its instructions.
Cr symbol of the chemical element chromium.
crab1 any of various ten-legged marine crustaceans, having broad, flat bodies, eyes on short stalks, and strong pincers on the front legs. The meat of some kinds of crabs is commonly eaten by humans. [8 definitions]
crab2 (informal) a complaining or ill-tempered person; grouch. [2 definitions]
crab apple any of various small, hard, tart apples, wild or cultivated, used esp. for making jelly. [2 definitions]
crabbed irritable or ill-tempered; grouchy. [2 definitions]
crabby grouchy; irritable; bad-tempered.
crab grass any of several wild, coarse grasses that easily root, spread, and displace other plants and grasses, esp. in cultivated lawns.
crab louse a louse that infests the human pubic area or armpit and causes severe itching.
Crab nebula a nebula in the constellation Taurus that contains a pulsar.
crack to break apart with a snapping sound. [15 definitions]
crackbrain a person without sense or reason; one who is insane.
crackbrained utterly foolish or insane.
crackdown an increase in the severity with which rules, laws, or the like are enforced, esp. to combat abuses or rectify a problem.
crack down on to treat more harshly.
cracked partially separated; broken. [3 definitions]
cracked wheat coarsely processed wheat.