a combining form meaning “earlier,” “before,” “former,” used in the formation of compound words: proterotype.
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Question 1 of 7
This tall, horizontally branched cactus is probably the most recognizable cactus in Arizona. What is it called?
Also especially before a vowel, proter-.
Origin of protero-
<Greek, combining form representing próteros, comparative formed from pró;see pro-2
Words nearby protero-
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for protero-
anterior or former in time, place, order, etcproterozoic
Word Origin for protero-
from Greek proteros fore
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