catecholamine

[ 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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for catecholamine

catecholamine

/ (ˌkætəˈkɒləˌmiːn) /

noun

any of a group of hormones that are catechol derivatives, esp adrenaline and noradrenaline

Word Origin for catecholamine

C20: from catechu + -ol 1 + 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

Medicine definitions for catecholamine

catecholamine

[ kăt′ĭ-kōlə-mēn′, -kô- ]

n.

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.

Science definitions for catecholamine

catecholamine

[ kăt′ĭ-kōlə-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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.