phentolamine

noun
phen·​tol·​amine | \ fen-ˈtä-lə-ˌmēn How to pronounce phentolamine (audio) , -mən \

Definition of phentolamine

: an alpha-adrenergic blocking agent C17H19N3O used especially in the diagnosis and treatment of hypertension due to pheochromocytoma

First Known Use of phentolamine

1952, in the meaning defined above

History and Etymology for phentolamine

phen- + toluidine + amine

Keep scrolling for more

Learn More about phentolamine

Time Traveler for phentolamine

Time Traveler

The first known use of phentolamine was in 1952

See more words from the same year

Statistics for phentolamine

Cite this Entry

“Phentolamine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/phentolamine. Accessed 30 Oct. 2020.

Keep scrolling for more

More Definitions for phentolamine

phentolamine

noun
phen·​tol·​amine | \ fen-ˈtäl-ə-ˌmēn, -mən How to pronounce phentolamine (audio) \

Medical Definition of phentolamine

: an alpha-adrenergic blocking agent that is administered by injection in the form of its mesylate C17H19N3O·CH4O3S especially in the diagnosis and treatment of hypertension due to pheochromocytoma — see regitine

Comments on phentolamine

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

WORD OF THE DAY

Test Your Vocabulary

Here Be Dragons: A Creature Identification Quiz

  • monster werewolf photo
  • Which is a synonym of werewolf?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Syn City

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!