1

STP

noun \ ˌes-ˌtē-ˈpē \

Definition of STP

:a hallucinogenic drug chemically related to mescaline and amphetamine

Origin and Etymology of stp

probably from STP, a trademark for a motor fuel additive


2

STP

abbreviation

Definition of STP

1 shielded twisted pair
2 standard temperature and pressure

Medical Dictionary

STP

noun \ ˌes-ˌtē-ˈpē \

medical Definition of STP

:a hallucinogenic drug chemically related to mescaline and amphetamine called also DOM

STP

abbreviation

medical Definition of STP

standard temperature and pressure

Seen and Heard

What made you want to look up STP? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

to suppress quietly or indirectly

Get Word of the Day daily email!

Test Your Vocabulary

The Exceptions Quiz III

  • one-green-toy-robot-amidst-many-red-toy-robots
  • Which of these words does not mean "nonsense"?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!