isoneph

[ahy-suh-nef]

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
Related formsi·so·ne·phel·ic [ahy-soh-nuh-fel-ik] /ˌaɪ soʊ nəˈfɛl ɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019