['tiglik]
adj.
[化]巴豆的

Tiglic \Tig"lic\, a. (Chem.)
Of, pertaining to, or designating, an acid, {C4H7CO2H}
(called also methyl crotonic acid), homologous with crotonic
acid, and obtained from croton oil (from {Croton Tiglium}) as
a white crystalline substance.