Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A beam of light whose interruption triggers a warning or a mechanism (such as a door)

Etymologies

Sorry, no etymologies found.

Examples

  • He passed through the photobeam and into the games parlor.

    Starman's Quest

  • Alan followed him through a gate that had once been imposing; now it swung open rather rustily as they broke the photobeam in front of it.

    Starman's Quest

Comments

Log in or sign up to get involved in the conversation. It's quick and easy.