Main Entry: 1pre·an·es·thet·ic Variant: or Britishpre·an·aes·thet·ic/-"an-&s-'thet-ik/ Function: adjective : used or occurring before administration of an anesthetic <preanesthetic medication> preanesthetic agent>
Main Entry: 2preanesthetic Variant: or Britishpreanaesthetic Function: noun : a substance used to induce an initial light state ofanesthesia