noradrenaline

noun

nor·​adren·​a·​line ˌnȯr-ə-ˈdre-nᵊələn How to pronounce noradrenaline (audio)
variants or less commonly noradrenalin

Examples of noradrenaline in a Sentence

Recent Examples on the Web
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Instead, the effect required noradrenaline signaling through part of the sympathetic nervous system, which is primarily responsible for the body’s fight-or-flight response. New Atlas, 12 July 2025 One area in the brain involved in focus is the locus coeruleus–noradrenaline (LC-NA) system, which undergoes changes with age and has been linked in past research to early Alzheimer’s disease. Jenny Lehmann, Discover Magazine, 10 July 2025 The adrenal glands produce various hormones, including adrenaline and noradrenaline, essential for different bodily functions. Dominique Fluker, Essence, 20 Jan. 2025 Hypoglycemia triggers the release of the hormones epinephrine (adrenaline) and norepinephrine (noradrenaline) in your body. Anna Giorgi, Verywell Health, 29 Nov. 2024 See All Example Sentences for noradrenaline

Word History

First Known Use

1932, in the meaning defined above

Time Traveler
The first known use of noradrenaline was in 1932

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Cite this Entry

“Noradrenaline.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/noradrenaline. Accessed 20 Jul. 2025.

Kids Definition

noradrenaline

noun
nor·​adren·​a·​line ˌnȯr-ə-ˈdren-ᵊl-ən How to pronounce noradrenaline (audio)

Medical Definition

noradrenaline

noun
nor·​adren·​a·​line
variants also noradrenalin

More from Merriam-Webster on noradrenaline

Last Updated: - Updated example sentences
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