isoneph

isoneph [ahy-suh-nef] Word Origin noun Meteorology.

1. a line on a weather map or chart connecting points having the same amount of cloudiness.

Origin of isoneph 1840–50; iso- + -neph Greek néphos cloudRelated formsi·so·ne·phel·ic [ahy-soh-nuh-fel-ik] /ˌaɪ soʊ nəˈfɛl ɪk/, adjective