atmosphere

atmosphere definition - medical

at·mos·phere (ătˈmə-sfîrˌ)

noun
  1. A gas surrounding a given body; a gaseous medium.
  2. Abbr. atm, atm. A unit of pressure equal to the air pressure at sea level, approximately equal to 1.01325 × 105 newtons per square meter.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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