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catecholamine

American  
[kat-i-kol-uh-meen, -koh-luh-] / ˌkæt ɪˈkɒl əˌmin, -ˈkoʊ lə- /

noun

Biochemistry.

  1. any of a group of chemically related neurotransmitters, as epinephrine and dopamine, that have similar effects on the sympathetic nervous system.

catecholamine British  
/ ˌkætəˈkɒləˌmiːn /

noun

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

"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
catecholamine Scientific  
/ kăt′ĭ-kō′lə-mēn′,-kô′- /

  1. Any of a group of amines derived from catechol that have important physiological effects as neurotransmitters and hormones and include epinephrine, norepinephrine, and dopamine.

Etymology

Origin of catecholamine

First recorded in 1950–55; catechol + -amine

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.