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PCB

A secret underground society that will one day rule the world.
The only people who know what "PCB" actually means are the members of "PCB".
person1: Have you ever heard of PCB?
person2: Um...I don't think so.
person1: K.

(Person 2 is secretly a member of PCB)
by PCBPCBPCB May 5, 2009
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PCD

Pitch Circle Diameter.

Refers to the number of lug nuts in a wheel and the distance from one lug to the opposite end of the lug arrangement. This is also known as the bolt pattern.

Typically expressed in (Number of Lugs) X (Distance), for example, 5x4.50 (in inches) or 5x114.3 (in metric).
Mike: I'm looking for some new wheels for my BMW, what PCD would that be?

Paul: The bolt pattern for all BMW vehicles is always 5x120.
by Tatsumatic April 3, 2011
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Related Words
PC PCP PCD pcb pcm PCA PCR PCC pcs PC Gamer

PCD

Acronym for 'PussyCat Dolls', a girl musical group. See pussycat dolls.
a: have you heard PCD's new album?
b: who?
a: you know, the pussycat dolls.
by b-sup-yo July 3, 2007
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P.C

politically correct.... Nobody can say or do any thing because ppl get pissed when they dont like what your doing or saying. Some ppl need to get there pantie's out there asses and just live life.
P.C Exzmples...
You cant say ho ho ho anymore.
you cant say merry christmas anymore.
you cant protest against black things.
you cant get rid of B.E.T.
you cant pray in public
you cant carry a gun
you cant express yourself
you cant live life yourway
you cant get the Education you want
you have to do what the government says.
you cant fire illegal immagrants
you cant get rid of immagrants
you cant get rid of D.C bullshit
you like Hillary Clinton & Brocah Obama.
..... and trust me there are many more....
by patyo1 January 6, 2008
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PCR

Prostate cancer reduction. In other words, to wank off.
Daniel: yo mike
Michael: yo STFU guy i'm pcrin!!!
by Michael Heys =D July 6, 2005
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PCD

PCD stands for programmed cell death. This happens when a cell is in a state of poor health/disrepair, so release of special proteins (like cytochrome c - found in mitochondria) either from inside of the cell or by another cell, triggers an organized chain reaction of events, resulting in the degradation and destruction of proteins and nucleic acids inside the cell.
The genes responsible for the proteins that signal PCD are not working correctly in cancer cells.
Bob "Have you heard that cells can commit suicide?"
Pete "No"
Bob "This is also referred to as PCD, or apoptosis"
Pete "Is that going to be on the finals?"
Bob "Definitely!"
by dicAcielcunobiryxoeD June 12, 2008
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P C

Politically Correct...as in, not being a racist bastard
Dude...calling that black guy over there a negro isn't exactly P.C....
by Liberals Rock April 22, 2004
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