a combining form meaning “cloud,” used in the formation of compound words: nephometer.
Also especially before a vowel, neph-.

Origin of nepho-

< Greek néphos a cloud, mass of clouds; see nebula Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for nepho-


combining form

concerning cloud or clouds

Word Origin for nepho-

from Greek nephos cloud
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012