Longman Dictionary of Contemporary English homepage

Date: 1800-1900
Origin: osteo- + Modern Latin porosis (from Latin porus; PORE1)

osteoporosis

 noun
     
Related topics: Illness and Disability
os‧te‧o‧po‧ro‧sis [uncountable]
a medical condition in which your bones become weak and break easily:
the risk of developing osteoporosis
Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.

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