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homocysteine
noun
ho·mo·cys·te·ine ˌhō-mō-ˈsi-stə-ˌēn 
ˌhä-
ˌhä- : an amino acid C4H9NO2S that is produced in animal metabolism by the demethylation of methionine and that appears to be associated with an increased risk of cardiovascular disease when occurring at high levels in the blood
Example Sentences
Recent Examples on the Web More specifically, methylenetetrahydrofolate reductase converts the amino acid homocysteine to another, methionine. 
Tara C. Smith, SELF, 18 Mar. 2019 Because folic acid can lower homocysteine levels, researchers once hoped that folic acid supplements would prevent heart attacks and strokes. Liz Szabo, CNN, 13 Apr. 2018 Because folic acid can lower homocysteine levels, researchers once hoped that folic acid supplements would prevent heart attacks and strokes. Liz Szabo, chicagotribune.com, 6 Apr. 2018 Because folic acid can lower homocysteine levels, researchers once hoped that folic acid supplements would prevent heart attacks and strokes. Liz Szabo, CNN, 13 Apr. 2018 Because folic acid can lower homocysteine levels, researchers once hoped that folic acid supplements would prevent heart attacks and strokes. Liz Szabo, chicagotribune.com, 6 Apr. 2018 Because folic acid can lower homocysteine levels, researchers once hoped that folic acid supplements would prevent heart attacks and strokes. Liz Szabo, CNN, 13 Apr. 2018 Because folic acid can lower homocysteine levels, researchers once hoped that folic acid supplements would prevent heart attacks and strokes. Liz Szabo, chicagotribune.com, 6 Apr. 2018 Because folic acid can lower homocysteine levels, researchers once hoped that folic acid supplements would prevent heart attacks and strokes. Liz Szabo, chicagotribune.com, 6 Apr. 2018 See More
Tara C. Smith, SELF, 18 Mar. 2019 Because folic acid can lower homocysteine levels, researchers once hoped that folic acid supplements would prevent heart attacks and strokes. Liz Szabo, CNN, 13 Apr. 2018 Because folic acid can lower homocysteine levels, researchers once hoped that folic acid supplements would prevent heart attacks and strokes. Liz Szabo, chicagotribune.com, 6 Apr. 2018 Because folic acid can lower homocysteine levels, researchers once hoped that folic acid supplements would prevent heart attacks and strokes. Liz Szabo, CNN, 13 Apr. 2018 Because folic acid can lower homocysteine levels, researchers once hoped that folic acid supplements would prevent heart attacks and strokes. Liz Szabo, chicagotribune.com, 6 Apr. 2018 Because folic acid can lower homocysteine levels, researchers once hoped that folic acid supplements would prevent heart attacks and strokes. Liz Szabo, CNN, 13 Apr. 2018 Because folic acid can lower homocysteine levels, researchers once hoped that folic acid supplements would prevent heart attacks and strokes. Liz Szabo, chicagotribune.com, 6 Apr. 2018 Because folic acid can lower homocysteine levels, researchers once hoped that folic acid supplements would prevent heart attacks and strokes. Liz Szabo, chicagotribune.com, 6 Apr. 2018 See More Word History
Etymology
International Scientific Vocabulary hom- + cysteine
First Known Use
1932, in the meaning defined above
Time Traveler
The first known use of homocysteine was in 1932 👨🏻🏫 Mr. Ng 韋氏詞典 📚 – mw.mister5️⃣.net
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