botulinum toxin type A
noun
variants:
or botulinum toxin A
Medical Definition of botulinum toxin type A
: a dilute solution of purified botulinum toxin that is used by injection for medical and cosmetic purposes (as to treat blepharospasm and spasmodic torticollis and to minimize wrinkles)
Note: Botulinum toxin type A is marketed under the trademark Botox.