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geronto-(word root) old age
Examples of words with the root geronto-: gerontology
Abused, Confused, & Misused Words by Mary Embree Copyright © 2007, 2013 by Mary Embree
Old age; aged one: gerontology.
[French géronto-, from Greek geronta-, from gerōn, geront-, old man; see gerə- in Indo-European roots.]
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.
geronto-or before a vowel
indicating old age: gerontology; gerontophilia.
[from Greek gerōn, geront- old man]
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 “old age”: gerontology.
[< Greek, comb. form representing gérōn, s. geront- old man]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.