Also found in: Medical.
helio-(word root) sun
Examples of words with the root helio-: heliocentric
Abused, Confused, & Misused Words by Mary Embree Copyright © 2007, 2013 by Mary Embree
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
helio-or before a vowel
indicating the sun: heliocentric; heliolithic.
[from Greek, from hēlios sun]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
a combining form meaning “sun”: heliolatry.
[< Greek, comb. form of hḗlios sun]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.