STP

¹

[ es-tee-pee ]

abbreviation for

, Slang.

1. a street name for the hallucinogen DOM ( def ).

STP

²

abbreviation for

1. standard temperature and pressure.
2. stand-to-pee device.

STP

abbreviation for

1. scientifically treated petroleum: an oil substitute promising renewed power for an internal-combustion engine
2. AlsoNTP standard temperature and pressure: standard conditions of 0°C temperature and 101.325 kPa (760 mmHg) pressure
3. Professor of Sacred Theology

noun

1. a synthetic hallucinogenic drug related to mescaline

Word History and Origins

Origin of STP¹

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

Word History and Origins

Origin of STP¹

from Latin: Sanctae Theologiae Professor

Related Words

• stimulant