STP
STP noun: a hallucinogen (2,5-dimethoxy-4-methylamphetamine), chemically related to amphetamine but with LSD-like effects. Also the initialism of sewage treatment plant.
Noun
STP (countable and uncountable, plural STPs)
- A hallucinogen (2,5-dimethoxy-4-methylamphetamine), chemically related to amphetamine but with LSD-like effects.
- “Don,” she cries, breathless. “We got some STP today.” At this time STP is a pretty big deal, remember; nobody yet knew what it was and it was relatively, although just relatively, hard to come by.1968, Joan Didion, “Slouching Towards Bethlehem”, in Slouching Towards Bethlehem
- I could not correctly estimate what I was experiencing, and the strychnine in the STP began cramping my belly.2021, Rickie Lee Jones, Last Chance Texaco, Grove Press, published 2022, page 128
Proper noun
STP
Also used as
STP is also the initialism of sewage treatment plant.
STP is also the initialism of standard temperature and pressure.
STP is also the initialism of spanning tree protocol.
STP is also the initialism of shielded twisted pair.
STP is also the initialism of stand-to-pee.
STP is also the initialism of subject to planning.
Forms of STP
| plural | STPs |
|---|
Questions about STP
- What does STP mean?
- STP means a hallucinogen (2,5-dimethoxy-4-methylamphetamine), chemically related to amphetamine but with LSD-like effects.
- What part of speech is STP?
- STP can be a noun or a proper noun.
- What is the plural of STP?
- The plural of STP is STPs.
Words near STP in the dictionary
Source and license
Adapted from Wiktionary: STP (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
Last updated:
Cite this entry: “STP.” Word.ws, https://word.ws/stp. Based on Wiktionary, CC BY-SA 4.0.