torr Hear it!

torr definition

torr (tôr)

noun

a unit of atmospheric pressure equal to the pressure of a force of 133.322 pascals (1.33322 millibars or one millimeter of mercury or atmosphere)

Etymology: after Evangelista Torricelli

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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