ansible

[ an-suh-buhl ]

noun

1. (in science fiction) a device for instantaneous communication, or other purposes, across cosmic distances:

   With the ansible on the fritz, it would take eleven years for their message to reach the admiral, who was waging war in another galaxy.

Word History and Origins

Origin of ansible¹

Shortening of answerable; coined by Ursula K. Le Guin in her novel Rocannon's World (1966)