osteoporosis

play
noun os·te·o·po·ro·sis \ˌä-stē-ō-pə-ˈrō-səs\

Definition of osteoporosis

plural

osteoporoses

play \ˌä-stē-ō-pə-ˈrō-ˌsēz\
  1. :  a condition that affects especially older women and is characterized by decrease in bone mass with decreased density and enlargement of bone spaces producing porosity and fragility

osteoporotic

play \ˌä-stē-ō-pə-ˈrä-tik\ adjective

Origin and Etymology of osteoporosis

New Latin, from oste- + porosis rarefaction, from porus pore + -osis


First Known Use: 1841


OSTEOPOROSIS Defined for English Language Learners

osteoporosis

play
noun os·te·o·po·ro·sis \ˌä-stē-ō-pə-ˈrō-səs\

Definition of osteoporosis for English Language Learners

  • medical : a condition in which the bones become weak and break easily


Medical Dictionary

osteoporosis

play
noun os·teo·po·ro·sis \ˌäs-tē-ō-pə-ˈrō-səs\

Medical Definition of osteoporosis

plural

osteoporoses

\-ˌsēz\play
  1. :  a condition that affects especially older women and is characterized by decrease in bone mass with decreased density and enlargement of bone spaces producing porosity and brittleness

osteoporotic

\-ˈrät-ik\play adjective


Seen and Heard

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

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

a weapon for destroying ships

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

  • winning-words-from-the-national-spelling-bee-logo
  • Which is the correct spelling of the winning word from 1988?
True or False

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

TAKE THE QUIZ
Word Winder's CrossWinder

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!