
1) Microwave technology 2) Telecommunications equipment
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• (n.) One who, or that which, circulates.
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a passive device having three or more ports in which the power entering any port is transmitted to the next port according to a given order of sequence NOTE - By reversing the biasing field, the order of sequence is reversed. This property may be used to switch electromagnetic energy.
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http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=221-05-11

a multiport device in which the incident wave to any port is transmitted to the next port according to an order of sequence determined by the sense of a static magnetic biasing field NOTE 1 - By reversing the magnetic biasing field, the order of sequence is reversed. NOTE 2 - This property may be used to switch electromagnetic waves.
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http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=726-17-08
Cir'cu·la`tor noun [ Confer Latin
circulator a peddler.] One who, or that which, circulates.
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http://www.encyclo.co.uk/webster/C/81

circulator 1. A person who moves from place to place. 2. A person who circulates money, information, etc. 3. A talebearer or scandalmonger. 4. Any of various devices for circulating gases or liquids. There are circulators both for electronic signals and for light, the latter being used in optical fiber networks.
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http://www.wordinfo.info/words/index/info/view_unit/479/2

a person who moves from place to place. · a person who circulates money, information, etc. · a talebearer or scandalmonger. · any of various devices for circulating gases or liquids. · a mountebank.
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https://www.infoplease.com/dictionary/circulator
No exact match found.