ˌstrepəˈjenə̇n; strə̇ˈpäjənə̇n, -ˌnēn noun
( -s )
Etymology: International Scientific Vocabulary strepo- (probably from strep (I) + -o- ) + -genin
: a peptide that is formed by partial hydrolysis of insulin and other proteins, that contains glutamic acid and other amino acid units, and that is essential for the growth of various microorganisms (as Streptococcus pyogenes and Lactobacillus casei ) and of mice