iso-

Also found in: Medical, Financial, Acronyms, Encyclopedia, Wikipedia.

iso-

(word root) equal
Examples of words with the root iso-: isometric
Abused, Confused, & Misused Words by Mary Embree Copyright © 2007, 2013 by Mary Embree

iso-

or is-
pref.
1. Equal; uniform: isobar.
2. Isomeric: isopropyl.

[Greek īso-, from īsos, equal.]
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.

iso-

or before a vowel

is-

combining form
1. equal or identical: isomagnetic.
2. (Chemistry) indicating that a chemical compound is an isomer of a specified compound: isobutane; isocyanic acid.
[from Greek isos equal]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

ISO

International Standardization Organization.

iso-

a combining form meaning “equal”: isochromatic; in chemistry, used in the names of substances that are isomeric with the substance denoted by the base word: isocyanic acid.
Also, esp. before a vowel, is-.
[< Greek, comb. form of ísos equal]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

iso-

A prefix that means "equal," as in isometric, "having equal measurements."
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Translations

iso-

[ˈaɪsəʊ] PREFIXiso-
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005
Mentioned in
Copyright © 2003-2025 Farlex, Inc Disclaimer
All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional.