English

edit

Alternative forms

edit

Etymology

edit

From tight +‎ beam.

Noun

edit

tightbeam (plural tightbeams)

  1. (science fiction) A focused beam of energy (such as a laser) that contains and transmits information.
    • 2013, James S. A. Corey, Abaddon's Gate:
      “Do I have those tightbeams yet?” “We're acknowledged and pending, sir,” Chen said. “They know we want to talk.”