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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One of these neurotransmitters is called glutamate.
—
David Oliver, USA Today, 16 May 2025
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
See All Example Sentences for glutamate
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David Oliver, USA Today, 16 May 2025
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
See All Example Sentences for glutamate
Cite this Entry
“Glutamate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/glutamate. Accessed 28 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
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