Definition of histidine
: a crystalline essential amino acid C6H9N3O2 formed by the hydrolysis of most proteins
Recent Examples of histidine from the Web
In 1996, Dr. Croce and co-workers made international news with their discovery of a gene called the fragile histidine triad — FHIT for short.
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Origin and Etymology of histidine
International Scientific Vocabulary hist- + -idine
First Known Use: 1896See Words from the same year
Medical Definition of histidine
: a crystalline essential amino acid C6H9N3O2 formed by the hydrolysis of most proteins—abbreviation His
Learn More about histidine
Britannica.com: Encyclopedia article about histidine
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