cantharidin(redirected from cantharis camphor)
Also found in: Dictionary, Encyclopedia.
the most active principle of cantharides, the dried Spanish fly, Lytta vesicatoria; preparations containing cantharidin are used topically as a vesicant to remove warts and lesions of molluscum contagiosum.
The active principle of cantharis; the anhydride of cantharic acid.
Synonym(s): cantharis camphor
A toxic compound, C10H12O4, that is found in blister beetles and is the active ingredient of Spanish fly.