EnglishEdit

EtymologyEdit

iso- +‎ Ancient Greek ἥλιος (hḗlios, sun).

NounEdit

isohel (plural isohels)

  1. A line on a map connecting places that receive equal solar radiation, or equal daily hours of sunshine.
    • 1987, Derek F. Hayward, Julius S. Oguntoyinbo, Climatology of West Africa[1], page 29:
      Each map shows a zone of increased sunshine between Ghana and Nigeria, destroying the regular pattern of east-west trending isohels across southern Nigeria and Ivory Coast.

AnagramsEdit