isoneph

[ ahy-suh-nef ]
/ ˈaɪ səˌnɛf /

noun Meteorology.

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 cloud

OTHER WORDS FROM isoneph

i·so·ne·phel·ic [ahy-soh-nuh-fel-ik] /ˌaɪ soʊ nəˈfɛl ɪk/, adjective