phentolamine

noun

phen·tol·amine fen-ˈtä-lə-ˌmēn

-mən

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

Word History

Etymology

phen- + toluidine + amine

First Known Use

1952, in the meaning defined above

Time Traveler

The first known use of phentolamine was in 1952

See more words from the same year

Cite this Entry

Style

“Phentolamine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/phentolamine. Accessed 28 Mar. 2023.

Copy Citation

Medical Definition

phentolamine

noun

phen·tol·amine fen-ˈtäl-ə-ˌmēn, -mən

: 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

Word of the Day

bildungsroman

Listen to the pronunciation of bildungsroman

See Definitions and Examples »

Get Word of the Day daily email!

Test Your Vocabulary

What Did You Just Call Me?

Before we went to her house, Hannah told us her aunt was a flibbertigibbet.

Insulting Complimentary

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ

Solve today's spelling word game by finding as many words as you can with using just 7 letters. Longer words score more points.

Can you make 12 words with 7 letters?

PLAY