Origin of STP

First recorded in 1965–70; probably after STP, trademark of a motor-oil additive

STP Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for stp

stimulant, upper, crystal, crank, tab, speed, benny, STP, analeptic

British Dictionary definitions for stp


abbreviation for
  1. trademark 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
  1. a synthetic hallucinogenic drug related to mescaline

Word Origin for STP

from Latin: Sanctae Theologiae Professor Sense 4 from humorous reference to the extra power resulting from scientifically treated petroleum
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

stp in Medicine


  1. DOM
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.