shadow mask
a perforated metal plate situated behind the faceplate of a color television picture tube and having holes aligned to insure that each of three electron beams strikes only its corresponding red, green, or blue phosphor dot.
Origin of shadow mask
1- Also called aperture mask.
Words Nearby shadow mask
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use shadow mask in a sentence
From the eyeless sockets of the shadow-mask a phosphorescent gleam shot towards the Grand Chamberlain.
Under the Witches' Moon | Nathan Gallizier
British Dictionary definitions for shadow mask
television a perforated metal sheet mounted close to the phosphor-dotted screen in some colour television tubes. The holes are positioned so that each of the three electron beams strikes the correct phosphor dot producing the required colour mixture in the image
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
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