a handheld light-sensitive device used for pointing at characters or objects on a CRT in order to make or modify drawings or to indicate functions to be performed.
(PPAP) Pen-Pineapple-Apple-PenRead more in this article about some frequently asked questions and fun facts related to our definitions.
💡- Electric Light Bulb Emoji - Emoji by Dictionary.comRead more in this article about some frequently asked questions and fun facts related to our definitions.
- light mineral oil,
- light music,
- light on,
- light opera,
- light out,
- light pipe,
- light pollution,
- light quantum,
- light rail,
- light reaction
Origin of light pen
First recorded in 1955–60
Also called light pencil.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
- a rodlike device which, when applied to the screen of a cathode-ray tube, can detect the time of passage of the illuminated spot across that point thus enabling a computer to determine the position on the screen being pointed at
- a penlike device, used to read bar codes, that emits light and determines the intensity of that light as reflected from a small area of an adjacent surface
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012