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definitions

baro-

  1. a combining form meaning “pressure,” used in the formation of compound words: barograph.
Also especially before a vowel, bar-.

Origin of baro-

combining form of Greek báros weight; akin to Sanskrit guru, Latin gravis, Gothic kaurus heavy
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for baro-

baro-

combining form
  1. indicating weight or pressurebarometer

Word Origin for baro-

from Greek baros weight; related to Latin gravis heavy
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
baro- in Medicine

baro-

pref.
  1. Weight; pressure:baroreceptor.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.