tetracaine

n. substance used as a local anesthetic

Tetracaine (INN, also known as amethocaine; trade name Pontocaine) is a potent local anesthetic of amino ester group. It is mainly used topically, in ophthalmology and as an antipruritic, and has been used in spinal anesthesia.
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Tetracaine /tet·ra·caine/ a local, topical, and spinal anesthetic, used as the base or the hydrochloride salt. [more]Tetracaine - Community and Resources

Noun
1. a crystalline compound used in the form of a hydrochloride as a local anesthetic
(hypernym) local anesthetic, local anaesthetic, local, topical anesthetic, topical anaesthetic