[ bey-tuh-meth-uh-sohn or, esp. British, bee- ]
/ ˌbeɪ təˈmɛθ əˌsoʊn or, esp. British, ˌbi- /

noun Pharmacology.

a synthetic analogue of a glucocorticoid, C22H29FO5, used in various forms in the treatment of inflammation, allergies, and tumors, and for replacement therapy in adrenal insufficiency.

Nearby words

  1. betagalactosidase,
  2. betaine,
  3. betaine hydrochloride,
  4. betake,
  5. betamax,
  6. betamethyl acrolein,
  7. betancourt,
  8. betancourt, rómulo,
  9. betatopic,
  10. betatron

Origin of betamethasone

perhaps beta + meth(yl) + -a- connective vowel + (hydrocorti)sone, components of the chemical name Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Medicine definitions for betamethasone


[ bā′tə-mĕthə-sōn′, bē′- ]


A synthetic crystalline glucocorticoid powder used as a topical anti-inflammatory agent for the treatment of dermatological conditions.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.