de|tec|tor

de|tec|tor
de|tec|tor «dih TEHK tuhr», noun.
1. a person or thing that detects; detecter.
2. Radio, Television. a vacuum tube or other device in a receiving set that helps in the change of radio waves into sound waves by removing the carrier waves from the signal sent out by the microphone; demodulator.
3. a) a simple, portable galvanometer for indicating the flow of a current of electricity, but not its strength. b) any device used to determine the presence of electric waves, such as a coherer in a radio receiving set.
4. a device for causing the diaphragm of a telephone receiver to vibrate when a high-frequency current passes through.
5. a low-water indicator for a boiler.
6. Obsolete. an informer; accuser.

Useful english dictionary. 2012.

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Look at other dictionaries:

  • pro|tec|tor|al — «pruh TEHK tuh ruhl», adjective. of or having to do with a protector …   Useful english dictionary

  • pro|tec|tor — «pruh TEHK tuhr», noun. 1. a) a person who protects; defender. SYNONYM(S): guardian. b) a thing that protects: »The catcher in baseball wears a chest protector. 2. the head of a kingdom when the king or queen cannot rule: »Oliver Cromwell was… …   Useful english dictionary

  • pro|tec|tor|ate — «pruh TEHK tuhr iht», noun. the period (1653 1659) during which Oliver and Richard Cromwell were Lord Protectors of England. ╂[< protector + ate3] pro|tec|tor|ate «pruh TEHK tuhr iht», noun. 1. a weak country under the protection and partial… …   Useful english dictionary

  • Pro|tec|tor|ate — «pruh TEHK tuhr iht», noun. the period (1653 1659) during which Oliver and Richard Cromwell were Lord Protectors of England. ╂[< protector + ate3] pro|tec|tor|ate «pruh TEHK tuhr iht», noun. 1. a weak country under the protection and partial… …   Useful english dictionary

  • mi|cro|de|tec|tor — «MY kroh dih TEHK tuhr», noun. an instrument used to detect small quantities or changes, especially a sensitive galvanometer used to detect slight changes in electric current …   Useful english dictionary

  • pho|to|de|tec|tor — «FOH toh dih TEHK tuhr», noun. a semiconductor device that detects radiant energy, especially infrared radiation, by photoconductive or photovoltaic action, used especially in electronic equipment to detect changes in temperature, in solar… …   Useful english dictionary

  • pro|tec|tor|ship — «pruh TEHK tuhr shihp», noun. 1. the position or term of a protector. 2. the period during which a protector governs …   Useful english dictionary

  • ra|di|o|pro|tec|tor — «RAY dee oh pruh TEHK tuhr», noun. a radioprotective drug or agent …   Useful english dictionary

  • de·tec·tor — /dıˈtɛktɚ/ noun, pl tors [count] : a device that can tell if a substance or object is present : a device that detects the presence of something a smoke/radar detector using metal detectors to improve safety at airports see also ↑lie detector …   Useful english dictionary

  • pro·tec·tor — /prəˈtɛktɚ/ noun, pl tors [count] : a person or thing that protects someone or something She sees her older brother as her protector. a protector of free speech ear protectors see also ↑surge protector …   Useful english dictionary

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