light pen


computers : a device shaped like a pen that senses light signals and is used to work with information on a computer screen

Full Definition of LIGHT PEN

:  a pen-shaped device for direct interaction with a computer through a cathode-ray tube display

Examples of LIGHT PEN

  1. writing with a light pen

First Known Use of LIGHT PEN



Next Word in the Dictionary: light pillarPrevious Word in the Dictionary: light outAll Words Near: light pen
March 29, 2015
discomfit Hear it
To thwart or disconcert
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears