Noun
English Wikipedia has an article on:chorismic acidWikipedia
chorismic acid (uncountable)
(organic chemistry) The compound (3R,4R)-3-[(1-carboxyvinyl)oxy]-4-hydroxycyclohexa-1,5-diene-1-carboxylic acid, whose anion chorismate is an important biochemical intermediate in plants and microorganisms.