dibucaine

(organic chemistry) C₂₀H₂₉O₂N₃ A local anesthetic used both as the base and the hydrochloride salt.

A local anesthetic used topically on the skin and mucous membranes or administered by injection into the subarachnoid space to produce spinal anesthesia.

A long-acting local anesthetic used topically and intraspinally in the form of the base and as the hydrochloride salt; the latter is also used intramuscularly for infiltration anesthesia. Called also cinchocaine. Has a special characteristic of needing only a small dose (about one-fortieth the dose of procaine).

The noun has one meaning:

Meaning #1: a local anesthetic that is administered by injection