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
Recent Examples on the Web
Alcohol also interferes with the brain’s neurotransmitter systems — particularly GABA and glutamate — disrupting mood, memory and learning.
—
Jesse Pines, Forbes.com, 21 Apr. 2025
Other meds your doctor may recommend For moderate to severe Alzheimer’s, your or your loved one’s doctor may also prescribe a glutamate regulator called memantine (often sold under brand names like Namenda and Valios).
—Alisa Hrustic, SELF, 24 Mar. 2025
People with Alzheimer’s can experience abnormal glutamate activity that harms nerve cells, but memantine helps stunt that impact, potentially slowing symptoms that make day-to-day life more challenging.
—Alisa Hrustic, SELF, 24 Mar. 2025
Memantine Memantine works by preventing glutamate from attaching to the N-methyl-D-aspartate (NMDA) receptor (binding site).
—Ross Phan, Pharmd, Bcacp, Bcgp, Bcps, Verywell Health, 20 Mar. 2025
See All Example Sentences for glutamate
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Jesse Pines, Forbes.com, 21 Apr. 2025
Other meds your doctor may recommend For moderate to severe Alzheimer’s, your or your loved one’s doctor may also prescribe a glutamate regulator called memantine (often sold under brand names like Namenda and Valios).
—Alisa Hrustic, SELF, 24 Mar. 2025
People with Alzheimer’s can experience abnormal glutamate activity that harms nerve cells, but memantine helps stunt that impact, potentially slowing symptoms that make day-to-day life more challenging.
—Alisa Hrustic, SELF, 24 Mar. 2025
Memantine Memantine works by preventing glutamate from attaching to the N-methyl-D-aspartate (NMDA) receptor (binding site).
—Ross Phan, Pharmd, Bcacp, Bcgp, Bcps, Verywell Health, 20 Mar. 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 4 May. 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
Love words? Need even more definitions?
Merriam-Webster unabridged
Share