rainbow pill

noun

Medical Definition of rainbow pill

slang
: any of a combination of pills (as of amphetamines, laxatives, and thyroid hormones) typically of different colors that were formerly taken to curb appetite and promote weight loss

Learn More About rainbow pill

Dictionary Entries Near rainbow pill

rainbow

rainbow pill

Rainey's corpuscle

See More Nearby Entries 

Cite this Entry

“Rainbow pill.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/rainbow%20pill. Accessed 5 Dec. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

Test Your Vocabulary

Difficult Spelling Words Quiz

  • alphabet pasta spelling help
  • Which is the correct spelling?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

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!