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decubitus ulcer

American  

noun

Pathology.

  1. bedsore.

decubitus ulcer British  

noun

  1. Nontechnical names: bedsore.   pressure sore.  a chronic ulcer of the skin and underlying tissues caused by prolonged pressure on the body surface of bedridden patients

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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.