释义 |
ˈusnic, a. Chem. Also usneic. [f. usn-ea + -ic 1 b.] usnic acid, carbusnic acid; usnin.
1847W. Gregory Handbk. Org. Chem. (ed. 2) 502 Usnic Acid..is found in many lichens,..and in many species of Usnea [etc.]. 1848Fownes Elem. Chem. (ed. 2) 514 The Usnea barbata and several other lichens contain usneic acid. 1861–7[see usnin]. |