ˌpantəˈthēˌēn, -thēə̇n, pan.ˈteth- noun
( -s )
Etymology: pantethe- (by shortening & alteration from pantothenic — in pantothenic acid ) + -ine
: a growth factor C 11 H 22 N 2 O 4 S that is essential for various microorganisms (as Lactobacillus bulgaricus ) and that is a constituent of coenzyme A; the amide of pantothenic acid and beta-amino-ethyl mercaptan