a combining form meaning “wax,” used in the formation of compound words: cerotype.
Also especially before a vowel, cer-.
Origin of cero-
< Greek kēro-, combining form of kērós wax
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
indicating the use of waxceroplastic
Word Origin for cero-
from Greek kēros wax
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
word-forming element meaning "waxy," from Latinized form of Greek kero-, comb. form of keros (see cere (n.)).
Online Etymology Dictionary, © 2010 Douglas Harper