catecholamine

[ kat-i-kol-uh-meen, -koh-luh- ]

nounBiochemistry.

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

Words Nearby catecholamine

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British Dictionary definitions for catecholamine

catecholamine

/ (ˌkætəˈkɒləˌmiːn) /

noun

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

Origin of 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

Scientific definitions for catecholamine

catecholamine

[ kăt′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.

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