isotheral

Variant of isothere

noun

a line on a map connecting points on the earth's surface that have the same mean summer temperature

Origin: Fr isothère < iso- (see iso-) + Gr theros, summer (see warm)

Related Forms:

Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.
link/cite print suggestion box