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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Short for glutamate delta-1 receptor, this protein doesn’t usually make headlines.
—
Siddhesh Sabnis, The Conversation, 23 June 2025
But glutamate can’t work without unlocking what is known as the NDMA receptor.
—David Oliver, USA Today, 16 May 2025
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
See All Example Sentences for glutamate
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Siddhesh Sabnis, The Conversation, 23 June 2025
But glutamate can’t work without unlocking what is known as the NDMA receptor.
—David Oliver, USA Today, 16 May 2025
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
See All Example Sentences for glutamate
Cite this Entry
“Glutamate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/glutamate. Accessed 23 Jul. 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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