glutamate
noun
glu·ta·mate
ˈglü-tə-ˌmāt 
: a salt or ester of glutamic acid
specifically
: a salt or ester of levorotatory glutamic acid that functions as an excitatory neurotransmitter compare monosodium glutamate
Examples of glutamate in a Sentence
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With astrocytes out of the picture, glutamate, a key neurotransmitter, spilled into extrasynaptic zones, flipping on NMDA receptors and revving up vasopressin neuron activity.
—
Pranjal Malewar, New Atlas, 3 Sep. 2025
In summary, a target neurotransmitter is affected, such as glutamate, serotonin, dopamine and/or norepinephrine.
—Andre Mouchard, Oc Register, 18 Aug. 2025
Memantine Memantine works by preventing glutamate from attaching to the N-methyl-D-aspartate (NMDA) receptor (binding site).
—Ross Phan, Verywell Health, 12 Aug. 2025
Protein-rich seaweed is already naturally imbued with glutamates and needs no further processing, although drying increases the shelf life.
—Jeff Burkhart, Mercury News, 23 July 2025
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Pranjal Malewar, New Atlas, 3 Sep. 2025
In summary, a target neurotransmitter is affected, such as glutamate, serotonin, dopamine and/or norepinephrine.
—Andre Mouchard, Oc Register, 18 Aug. 2025
Memantine Memantine works by preventing glutamate from attaching to the N-methyl-D-aspartate (NMDA) receptor (binding site).
—Ross Phan, Verywell Health, 12 Aug. 2025
Protein-rich seaweed is already naturally imbued with glutamates and needs no further processing, although drying increases the shelf life.
—Jeff Burkhart, Mercury News, 23 July 2025
See All Example Sentences for glutamate
Cite this Entry
“Glutamate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/glutamate. Accessed 9 Sep. 2025.
Copy CitationMedical Definition
glutamate
noun
glu·ta·mate
ˈglüt-ə-ˌmāt
: a salt or ester of glutamic acid
specifically
: a salt or ester of levorotatory glutamic acid that functions as an excitatory neurotransmitter see monosodium glutamate
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