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[kat-i-kol-uh-meen, -koh-luh-] /ˌkæt ɪˈkɒl əˌmin, -ˈkoʊ lə-/
noun, Biochemistry.
any of a group of chemically related neurotransmitters, as epinephrine and dopamine, that have similar effects on the sympathetic nervous system.
Origin of catecholamine
First recorded in 1950-55; catechol + -amine Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for catecholamine


any of a group of hormones that are catechol derivatives, esp adrenaline and noradrenaline
Word Origin
C20: from catechu + -ol1 + amine
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
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Word Origin and History for catecholamine

type of hormone, from catechol (1880), from catechu, 17c. name for an astringent substance used in medicines, dyeing, etc., which apparently is from Malay kachu.

Online Etymology Dictionary, © 2010 Douglas Harper
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catecholamine in Medicine

catecholamine cat·e·cho·la·mine (kāt'ĭ-kō'lə-mēn', -kô'-)
Any of a group of amines composed of a pyrocatechol molecule and the aliphatic portion of an amine that have important physiological effects as neurotransmitters and hormones, such as epinephrine, norepinephrine, and L-dopa.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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catecholamine in Science
  (kāt'ĭ-kō'lə-mēn', -kô'-)   
Any of a group of amines derived from catechol that have important physiological effects as neurotransmitters and hormones and include epinephrine, norepinephrine, and dopamine.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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