See Also: usnic acid(medicine)
usnic(dictionary)
usnic(medicine)
Rambourg's chromic acid-phosphotungstic acid stain(medicine)
oxo acid(medicine)
acid(2)(dictionary)
wax acid(medicine)
G acid(medicine)
acid(encyclopedia)
acid red 87(medicine)

tiens (iou) and usnic acid (medicine)


tiens (iou)



tiens interjection. [tj] M20.
[French, imper. sing. of tenir hold.]
Expr. surprise.

usnic acid (medicine)


usnic acid


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.