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Definition of Usnic acid
1. Noun. (chemistry) an antibacterial agent obtained from lichens of the genus Usnea ¹
¹ Source: wiktionary.com
Medical Definition of Usnic acid
1. An organic acid extracted from the lichen Usnea barbata whichhas antibiotic properties, particularly against Gram-positive bacteriasuch at M. Tuberculosis as well as some pathogenic fungi. (09 Oct 1997)
Lexicographical Neighbors of Usnic Acid
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