a suffix used in the names of ketones and analogous chemical compounds: lactone; quinone.
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Origin of -one
perhaps < Greek -ōnē feminine patronymic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for -one
suffix forming nouns
indicating that a chemical compound is a ketoneacetone
Word Origin for -one
arbitrarily from Greek -ōnē, feminine patronymic suffix, but perhaps influenced by -one in ozone
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 Origin and History for -one
chemical suffix, from Greek -one, female patronymic (cf. anemone, "daughter of the wind" anemos); in chemical use denoting a "weaker" derivative. Its use in forming acetone (1830s) gave rise to the specialized chemical sense.
Online Etymology Dictionary, © 2010 Douglas Harper
Medicine definitions for -one
A compound that contains oxygen, especially in a carbonyl radical:lactone.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Science definitions for -one
A suffix used to form the names of chemical compounds containing an oxygen atom attached to a carbon atom, such as acetone.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.