refractoriness

noun
re·​frac·​to·​ri·​ness | \ ri-ˈfrak-t(ə-)rē-nəs How to pronounce refractoriness (audio) \

Medical Definition of refractoriness

: the insensitivity to further immediate stimulation that develops in irritable and especially nervous tissue as a result of intense or prolonged stimulation

Learn More about refractoriness

Cite this Entry

“Refractoriness.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/refractoriness. Accessed 21 Oct. 2020.

More from Merriam-Webster on refractoriness

Thesaurus: All synonyms and antonyms for refractoriness

Comments on refractoriness

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

WORD OF THE DAY

Test Your Vocabulary

Farm Idioms Quiz

  • cow coming home
  • What does 'poke' refer to in the expression 'pig in a poke'?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Citation

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!