# Definitions for **pcp**

### This page provides all possible meanings and translations of the word **pcp**

### Princeton's WordNet

health professional, primary care provider, PCP, health care provider, caregiver(noun)

a person who helps in identifying or preventing or treating illness or disability

phencyclidine, phencyclidine hydrochloride, PCP, angel dust(noun)

a drug used as an anesthetic by veterinarians; illicitly taken (originally in the form of powder or `dust') for its effects as a hallucinogen

### Freebase

Probabilistically checkable proof

In computational complexity theory, a probabilistically checkable proof is a type of proof that can be checked by a randomized algorithm using a bounded amount of randomness and reading a bounded number of bits of the proof. The algorithm is then required to accept correct proofs and reject incorrect proofs with very high probability. A standard proof, as used in the verifier-based definition of the complexity class NP, also satisfies these requirements, since the checking procedure deterministically reads the whole proof, always accepts correct proofs and rejects incorrect proofs. However, what makes them interesting is the existence of probabilistically checkable proofs that can be checked by reading only a few bits of the proof using randomness in an essential way. Probabilistically checkable proofs give rise to many complexity classes depending on the number of queries required and the amount of randomness used. The class PCP[r,q] refers to the set of decision problems that have probabilistically checkable proofs that can be verified in polynomial time using at most r random bits and by reading at most q bits of the proof.

### Sample Sentences & Example Usage

I'm not going to lie. Before I came here, I smoked some marijuana and a blunt stick laced with

**PCP.**I believe the [toxicology] reports will show that he had ingested a large amount of

**PCP,**cocaine, and another substance.

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"pcp." *Definitions.net.* STANDS4 LLC, 2016. Web. 12 Feb. 2016. <http://www.definitions.net/definition/pcp>.