Isotherm Definition
īsə-thûrm
isotherms
noun
A line on a map connecting points on the earth's surface having the same mean temperature or the same temperature at a given time.
Webster's New World
A line representing changes of volume or pressure at constant temperature.
Webster's New World
Other Word Forms of Isotherm
Noun
Singular:
isotherm
Plural:
isothermsOrigin of Isotherm
-
From the French adjective isotherme (“of equal temperature”), itself from Ancient Greek ἴσος (isos, “equal”) + θέρμη (thermē, “warmth”)
From Wiktionary
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From French isotherme having the same temperature Greek īso- iso- Greek thermē heat –therm
From American Heritage Dictionary of the English Language, 5th Edition
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