| 单词 | shadow mask |
| 释义 | shadow masknoun Television.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. Also called aperture mask. Origin of shadow maskFirst recorded in 1950–55 Words nearby shadow maskshadowed, shadowgraph, shadow history, shadowing, shadowland, shadow mask, shadow of one's self, shadow pin, shadow play, shadow price, shadow roll Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for shadow mask
British Dictionary definitions for shadow maskshadow mask nountelevision 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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