6 letters · 11 points in Scrabble
origin* (science fiction): For the fictional weapon coined for Star Trek: originally a "ph(oton ma)ser," later changed canonically to a "phas(ed)-e(nergy) r(ectifier)" (of "nadions", not photons). * (phase modulation): phase + -er
Etymology from Wiktionary, CC BY-SA 3.0