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47.
STP
Standard Temperature and Pressure

A chemical standard usually used for reporting the properties of compounds/molecules.

Generally written in one of the following ways:
0°C or 273.15°K
and
760 mm Hg or 1 atm
Mercury is a liquid at STP because of it's valence electron organization.
by Jules March 19, 2004
 
1.
STP
Shavin The Pubes!!
Jo- Cho- "yea foo so whats up? what are you doing?"

Bryant-Rachi- " ahhh foo stp, i got a date tonight.!!"
by Jo-Cho August 16, 2009
 
2.
Secret Tweaker Pad, from the Sublime song, S.T.P. It's a place where one can chill and do drugs and hide out after committing a crime.
Get out of my S.T.P!
by con4mconsumeobey January 18, 2005
 
3.
Stone Temple Pilots. Originally stood for Shirley Temple's pussy. But the band had to change the meaning when they became main stream.
The Band S.T.P. could still be a great band making great music if Scott Weiland could stay off the Horse.
by brutha from a nutha mutha May 20, 2006
 
4.
Standard Temperature and Pressure, a Chemistry term referring to gasses under normal or ideal conditions.
S.T.P for oxygen gas is 25 degrees c and 1 atm of pressure
by Steve December 04, 2003
 
5.
St. Paul, Minnesota's capitol city located in Ramsey County
Home of Eastside, Northend, Frogtown, Midway, Highland Park, ect
We rep that S.T.P. not 612
by Raul Concepcion May 22, 2008
 
6.
Stone Temple Pilots, a great band
by Anonymous September 29, 2003
 
7.
STP
Standard Temperature and Pressure
It is used to describe a substance at....
Pressure: 1 atm; 760 mmHg; 101,300 pascals
Temperature: 0°C, 32 F, 273.15 K (kelvin)

It is often used to describe gasses.
The water was starting to freeze at STP.
At STP one mole of gas will occupy 22.4 liters.
by Transpolar Drift Stream July 19, 2011