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Hestia
Hesychasm
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hetaera
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heterodyne

het·er·o·dyne [ héttərə dn ]


transitive verb  (past and past participle het·er·o·dyned, present participle het·er·o·dyn·ing, 3rd person present singular het·er·o·dynes)
Definition:
 
combine radio-frequency waves: to combine a received radio-frequency wave with a wave of a different frequency to produce frequencies equal to the sum of and the difference between the original two signals



adjective 
Definition:
 
involving combined radio waves: consisting of, produced by, or operated by heterodyning signals

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