Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

hypothyroidism

play
noun hy·po·thy·roid·ism \-ˌrȯi-ˌdi-zəm\

Definition of hypothyroidism

  1. :  deficient activity of the thyroid gland; also :  a resultant bodily condition characterized by lowered metabolic rate and general loss of vigor



Origin and Etymology of hypothyroidism

International Scientific Vocabulary


First Known Use: 1905


Medical Dictionary

hypothyroidism

play
noun hy·po·thy·roid·ism \-ˌiz-əm\

Medical Definition of hypothyroidism

  1. :  deficient activity of the thyroid gland; also :  a resultant bodily condition characterized by lowered metabolic rate and general loss of vigor




Learn More about hypothyroidism


Seen and Heard

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

WORD OF THE DAY

a simplified speech bridging languages

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

confounded-person

Which is a synonym of indolent?

philistine frenetic lazy melancholy
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ