methionine
noun
me·thi·o·nine
mə-ˈthī-ə-ˌnēn 
: a crystalline sulfur-containing essential amino acid C5H11NO2S that occurs in the levorotatory form as a constituent of many proteins
Examples of methionine in a Sentence
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It is made up of three main amino acids—glycine, arginine, and methionine.
—
Jillian Kubala, Health, 12 Aug. 2024
What is Creatine? Creatine is made from three amino acids: glycine, arginine, and methionine.
—Staff Author, Health, 6 Aug. 2024
Your body makes creatine from three amino acids: arginine, glycine, and methionine.
—Elizabeth Barnes, Verywell Health, 6 Aug. 2024
Another food that can affect urine odor is broccoli, which Savage says is metabolized in similar fashion to asparagus, including the excretion of methionine and its related sulfur smell.
—Daryl Austin, USA TODAY, 14 July 2024
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Jillian Kubala, Health, 12 Aug. 2024
What is Creatine? Creatine is made from three amino acids: glycine, arginine, and methionine.
—Staff Author, Health, 6 Aug. 2024
Your body makes creatine from three amino acids: arginine, glycine, and methionine.
—Elizabeth Barnes, Verywell Health, 6 Aug. 2024
Another food that can affect urine odor is broccoli, which Savage says is metabolized in similar fashion to asparagus, including the excretion of methionine and its related sulfur smell.
—Daryl Austin, USA TODAY, 14 July 2024
See all Example Sentences for methionine
Dictionary Entries Near methionine
Cite this Entry
“Methionine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/methionine. Accessed 1 Dec. 2024.
Copy CitationMedical Definition
methionine
noun
me·thi·o·nine
mə-ˈthī-ə-ˌnēn
: a crystalline sulfur-containing essential amino acid C5H11NO2S that occurs in the L-form as a constituent of many proteins (as casein and egg albumin), that is important especially as a source of sulfur for the biosynthesis of cysteine and as a source of methyl groups for transmethylation reactions (as in the biosynthesis of choline, creatine, and adrenaline), and that is used as a dietary supplement for human beings and their domestic mammals and poultry and in the treatment of fatty infiltration of the liver
—abbreviation Met
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