Nadion emitter
A nadion emitter was a component aboard a Federation starship. It was, as its name suggests, a type of emitter that produced nadions.  starships had multiple nadion emitters.

In 2375, while preparing the  for launch from space station Deep Space 9, Lieutenant Commander Worf ordered Ensign Nog to "collimate the nadion emitters," to which Nog replied, "Collimation sequence in progress." ()

Technology