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Synonyms

STP

1 American  
[es-tee-pee] / ˈɛsˈtiˈpi /

abbreviation

Slang.

  1. a street name for the hallucinogen DOM.

STP 2 American  

abbreviation

  1. standard temperature and pressure.

  2. stand-to-pee device.

STP British  

abbreviation

  1. scientifically treated petroleum: an oil substitute promising renewed power for an internal-combustion engine

  2. Also: NTP.  standard temperature and pressure: standard conditions of 0°C temperature and 101.325 kPa (760 mmHg) pressure

  3. Professor of Sacred Theology

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

noun

  1. a synthetic hallucinogenic drug related to mescaline

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of STP

First recorded in 1965–70; origin uncertain; possibly named after STP, trademark of a motor-oil additive

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.

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