catecholamine

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

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

/ ˌkætəˈkɒləˌmiːn /

noun

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

catecholamine

/ 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.

Word History and Origins

Origin of catecholamine¹

First recorded in 1950–55; catechol + -amine

Word History and Origins

Origin of catecholamine¹

C20: from catechu + -ol ¹+ amine