STP

noun
\ ˌes-ˌtē-ˈpē How to pronounce STP (audio) \

Definition of STP

 (Entry 1 of 2)

: a hallucinogenic drug chemically related to mescaline and amphetamine

Definition of STP (Entry 2 of 2)

1 shielded twisted pair
2 standard temperature and pressure

First Known Use of STP

Noun

1967, in the meaning defined above

History and Etymology for STP

Noun

probably from STP, a trademark for a motor fuel additive

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Cite this Entry

“STP.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/STP. Accessed 25 Feb. 2021.

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More Definitions for STP

STP

noun
\ ˌes-ˌtē-ˈpē How to pronounce STP (audio) \

Medical Definition of STP

 (Entry 1 of 2)

: a hallucinogenic drug chemically related to mescaline and amphetamine

called also DOM

Medical Definition of STP (Entry 2 of 2)

standard temperature and pressure

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