neurotransmitter

noun neu·ro·trans·mit·ter \ ˌnu̇r-ō-tran(t)s-ˈmi-tər , -tranz- , ˌnyu̇r- \
Updated on: 14 May 2018

Definition of neurotransmitter

: a substance (such as norepinephrine or acetylcholine) that transmits nerve impulses across a synapse

Recent Examples of neurotransmitter from the Web

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

First Known Use of neurotransmitter

1961

in the meaning defined above

See Words from the same year
NEW! Time Traveler

NEUROTRANSMITTER Defined for English Language Learners

neurotransmitter

Definition of neurotransmitter for English Language Learners

  • medical : a substance in the body that carries a signal from one nerve cell to another


Medical Dictionary

neurotransmitter

noun neu·ro·trans·mit·ter \ ˌn(y)u̇r-ō-tran(t)s-ˈmit-ər, -tranz- \

medical Definition of neurotransmitter

: a substance (as norepinephrine or acetylcholine) that transmits nerve impulses across a synapse — see false neurotransmitter

Learn More about neurotransmitter


Seen and Heard

What made you want to look up neurotransmitter? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

to fill with foolish love or admiration

Get Word of the Day daily email!

Test Your Vocabulary

Words Used by Nabokov Quiz

  • image1676440788
  • Choose the best definition or synonym for the word in bold: "There are some eructations that sound like cheers—at least, mine did." Lolita
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Dictionary Devil

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!