[ nawr-uh-dren-l-in, -een ]

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Origin of noradrenaline

First recorded in 1930–35; nor- + adrenaline
  • Also nor·a·dren·a·lin [nawr-uh-dren-l-in]. /ˌnɔr əˈdrɛn l ɪn/.

Words Nearby noradrenaline Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use noradrenaline in a sentence

British Dictionary definitions for noradrenaline


noradrenalin (-lIn)

/ (ˌnɔːrəˈdrɛnəlɪn, -ˌliːn) /

  1. a hormone secreted by the adrenal medulla, increasing blood pressure and heart rate, and by the endings of sympathetic nerves, when it acts as a neurotransmitter both centrally and peripherally. Formula: C 8 H 11 NO 3: US name: norepinephrine

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 noradrenaline


[ nôr′ə-drĕnə-lĭn ]

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.