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glutamate

American  
[gloo-tuh-meyt] / ˈglu təˌmeɪt /

noun

  1. a salt or ester of glutamic acid.


glutamate British  
/ ˈɡluːtəˌmeɪt /

noun

  1. any salt of glutamic acid, esp its sodium salt See monosodium glutamate

"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

Etymology

Origin of glutamate

First recorded in 1875–80; glutam(ic acid) + -ate 2

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

This ultimately stimulates the release of more glutamate, which helps send excitatory signals between brain cells.

From The Wall Street Journal • Mar. 17, 2026

This ultimately stimulates the release of more glutamate, which helps send excitatory signals between brain cells.

From The Wall Street Journal • Mar. 17, 2026

Aijinomoto is best known as the pioneer of monosodium glutamate seasoning.

From Los Angeles Times • Mar. 5, 2026

Problems with glutamate signaling have been linked to conditions such as Alzheimer's disease, schizophrenia, autism, epilepsy, and others.

From Science Daily • Dec. 29, 2025

This resulted in the substitution of one amino acid for another: glutamate was switched to valine.

From "The Gene" by Siddhartha Mukherjee