1) Before anaesthesia 
Before anaesthesia. ... (05 Mar 2000) ... 
(pre″an-әs-thet´ik) pertaining to preanesthesia. an agent that produces preanesthesia. occurring before the administration of an anesthetic.
Type: Term Pronunciation: prē′an-es-thet′ik Definitions: 1. Before anesthesia. 2. A medication given as an agent to and before a primary anesthetic.
preanesthetic, preanaesthetic 1. Preliminary anesthesia; light anesthesia or narcosis induced by medication as a preliminary to administration of a general anesthetic. 2. Action ocurring before the administration of an anesthetic.
a substance that produces a preliminary or light anesthesia.