A line on a map connecting points having equal hours of sunshine in a standard period of time.
A line drawn on a weather map connecting points that receive equal amounts of sunlight.
A line drawn on a map connecting points that receive equal amounts of sunlight.
Other Word Forms
Origin of isohel
- iso– Greek hēlios sun sāwel- in Indo-European roots
From American Heritage Dictionary of the English Language, 5th Edition
- iso- and Ancient Greek ἥλιος (helios, “sun”).