usnic acid

noun
us·nic acid | \ˌəs-nik- \

Medical Definition of usnic acid 

: a yellow crystalline antibiotic C18H16O7 that is obtained from various lichens (as old-man's beard)

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Dictionary Entries near usnic acid

USAN

Usher's syndrome

Usnea

usnic acid

USP

USPSTF

ustekinumab

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