neu·​ro·​hor·​mone ˌnu̇r-ō-ˈhȯr-ˌmōn How to pronounce neurohormone (audio)
: a hormone (such as acetylcholine or norepinephrine) produced by or acting on nervous tissue

Example Sentences

Recent Examples on the Web Stimulation of the nipples causes the hypothalamus to release oxytocin—a potent neurohormone that can enhance feelings of bonding and helps trigger the pleasurable contractions experienced during a woman's orgasm itself. Dr. Nan Wise, Glamour, 12 Jan. 2023 Decades ago, scientists suggested the queen-maker in this royal ambrosia might be a hormone or neurohormone, rather than a protein, but didn't find strong evidence to support those ideas. Valerie Ross, Discover Magazine, 26 Apr. 2011 From Instant Gratification To Slow Release Buying a toy—a new watch or a new car or a new beach house—results in the instantaneous gratification monkey releasing a neurohormone called dopamine. Steve Davis, Forbes, 20 May 2022 The third was Roger Guillemin, who received his Nobel for research on neurohormones. Bradley J. Fikes,, 8 Sep. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'neurohormone.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History


International Scientific Vocabulary

First Known Use

1935, in the meaning defined above

Time Traveler
The first known use of neurohormone was in 1935

Dictionary Entries Near neurohormone

Cite this Entry

“Neurohormone.” Dictionary, Merriam-Webster, Accessed 8 Feb. 2023.

Kids Definition


neu·​ro·​hor·​mone ˌn(y)u̇r-ō-ˈhȯr-ˌmōn How to pronounce neurohormone (audio)
: a hormone produced by or acting on nervous tissue

Medical Definition


neu·​ro·​hor·​mone -ˈhȯr-ˌmōn How to pronounce neurohormone (audio)
: a hormone (as acetylcholine or norepinephrine) produced by or acting on nervous tissue

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