functional group

noun

a group of atoms responsible for the characteristic behavior of the class of compounds in which the group occurs, as the hydroxyl group in alcohols.

Origin of functional group

First recorded in 1935–40

Words nearby functional group

functional congestion, functional deafness, functional disease, functional disorder, functional food, functional group, functional hypertrophy, functional illiterate, functional imperative, functionalism, functional isomer

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for functional group

functional group

noun

chem the group of atoms in a compound, such as the hydroxyl group in an alcohol, that determines the chemical behaviour of the compound

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

Medical definitions for functional group

functional group

n.

An atom or group of atoms that replaces hydrogen in an organic compound and that defines the structure of a family of compounds and determines the properties of the family.

Scientific definitions for functional group

functional group

An atom or group of atoms that replaces hydrogen in an organic compound. Functional groups define the structure of a family of compounds and determine its properties. The carboxyl and hydroxyl groups are functional groups that define the compounds they are part of as organic acids and alcohols, respectively.

单词	functional group
释义	functional group noun a group of atoms responsible for the characteristic behavior of the class of compounds in which the group occurs, as the hydroxyl group in alcohols. Origin of functional group First recorded in 1935–40 Words nearby functional group functional congestion, functional deafness, functional disease, functional disorder, functional food, functional group, functional hypertrophy, functional illiterate, functional imperative, functionalism, functional isomer Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for functional group functional group noun chem the group of atoms in a compound, such as the hydroxyl group in an alcohol, that determines the chemical behaviour of the compound 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 Medical definitions for functional group functional group n. An atom or group of atoms that replaces hydrogen in an organic compound and that defines the structure of a family of compounds and determines the properties of the family. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for functional group functional group An atom or group of atoms that replaces hydrogen in an organic compound. Functional groups define the structure of a family of compounds and determine its properties. The carboxyl and hydroxyl groups are functional groups that define the compounds they are part of as organic acids and alcohols, respectively. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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