Dictionary

STP

1STP

noun \ˌes-ˌtē-ˈpē\

Definition of STP

:  a hallucinogenic drug chemically related to mescaline and amphetamine

Origin of STP

probably from STP, a trademark for a motor fuel additive
First Known Use: 1967

2STP

abbreviation

Definition of STP

1
shielded twisted pair
2
standard temperature and pressure

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