One of the mysteries of the English language finally explained.
1A synthetic fluorescent or phosphorescent substance, especially one used to coat the screen of a cathode ray tube.‘a layer of phosphor is sandwiched between two electrodes’count noun ‘yttrium and europium are in demand for use in phosphors for colour TVs’as modifier ‘a phosphor screen’
- ‘This invention relates to coated particles used as phosphor particles for a phosphor screen of a display and a coating method for such particles.’
- ‘Compounds of the element are also used to make phosphors that coat the screen of television tubes and CRTs (cathode ray tubes).’
- ‘To obtain good colour pictures on a TV screen, you need phosphors that produce rich, pure primaries.’
- ‘Fluorescent materials can be synthetic, such as phosphors, or occur in nature, for example, fluorescent minerals.’
- ‘Cerium is also used in the manufacture of lasers and phosphors used in cathode ray tubes.’
- 1.1old-fashioned term for phosphorus
- ‘The term "phosphor" obviously is employed as well for the chemical element discovered by a Hamburg alchemist, Hennig Brand, in 1669.’
Early 17th century: from Latin phosphorus (see phosphorus).
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