ˈtiglik- noun
Etymology: International Scientific Vocabulary tigl- (from New Latin tiglium, specific epithet of Croton tiglium, from Medieval Latin or New Latin, seed from a species of croton) + -ic
: a vesicant crystalline unsaturated acid CH 3 CH . C(CH 3 )COOH that has a spicy odor, that is the stable stereoisomer of angelic acid and that occurs in the form of esters especially in Roman chamomile oil and in croton oil; trans-a -methyl-crotonic acid