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definitions

-therm

  1. variant of thermo- as final element in compound words: isotherm.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
-therm in Medicine

-therm

suff.
  1. An organism having a specified kind of body temperature:exotherm.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.