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noun Chemistry.
1.
any of a class of organic compounds containing a carbonyl group, CO, attached to two alkyl groups, as CH3COCH3 or CH3COC2H5.
adjective
2.
containing the ketone group.
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Ketone
is always a great word to know.
So is alum. Does it mean:
| a double sulfate analogous to potassium alum, as aluminum ammonium sulfate, with the formula R2SO4?X2(SO4)3?24H2O, where R is alkali metal or ammonium |
| a compound of high molecular weight made by adding many smaller molecules or by condensation smaller molecules with the elimination of water or alcohol |
Related forms
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Based on the Random House Dictionary, © Random House, Inc. 2012.
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|
Link To ketone
Collins
World English Dictionary
| ketone (ˈkiːtəʊn) | |
| —n | |
| See also acetone any of a class of compounds with the general formula R′COR, where R and R′ are alkyl or aryl groups | |
| [C19: from German Keton, from Aketon | |
| ketonic | |
| —adj | |
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History
ketone
1851, "group of chemicals containing CO," from Ger. keton, coined in 1848 by Ger. chemist Leopold Gmelin (1788-1853) from Ger. Aketon, from Fr. acétone (see acetone).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary
ketone ke·tone (kē'tōn')
n.
Any of a class of organic compounds having a carbonyl group linked to a carbon atom in each of two hydrocarbon radicals.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
ketone  (kē'tōn') Pronunciation Key
Any of a class of organic compounds having the general formula RCOR', where R and R' are hydrocarbon radicals that are both attached to the carbon atom of the carbonyl (CO) group. Acetone is a ketone. |
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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