say it: HI-stuh-deen
histidine is a noun meaning "an essential amino acid found in proteins that is important for the growth and repair of tissue". It carries one recorded sense.
an essential amino acid found in proteins that is important for the growth and repair of tissue
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for histidine come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.