a combining form meaning “glass,” used in the formation of compound words: hyaloplasm.
Also especially before a vowel, hyal-.
Origin of hyalo-
< Greek, combining form of hýalos glass
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
before a vowel hyal-
of, relating to, or resembling glasshyaloplasm
Word Origin for hyalo-
from Greek hualos glass
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 "of glass; glass-like, transparent," from Greek hyalos "glass, clear alabaster," apparently a non-Greek word, said to be of Egyptian origin.
Online Etymology Dictionary, © 2010 Douglas Harper
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.