umbellic — adjective a) umbellar b) pertaining to, or obtained from, certain umbelliferous plants, such as umbellic acid … Wiktionary
Umbellic acid — Umbellic Um*bel lic, a. (Chem.) Pertaining to, or obtained from, certain umbelliferous plants; as, umbellic acid. [1913 Webster] {Umbellic acid}. (Chem.) (a) Anisic acid. [Obs.] (b) A yellow powder obtained from umbelliferone. [1913 Webster] … The Collaborative International Dictionary of English
umbellic acid — noun Etymology: umbellic from umbell (in umbelliferone) + ic : an acid C6H3(OH)2CH . CHCO2H formed as a yellow powder by hydrolysis of umbelliferone; 2,4 dihydroxy cinnamic acid … Useful english dictionary
umbellic acid — noun dihydroxycinnamic acid, obtained from certain umbelliferous plants … Wiktionary