HETERODYNE

heterodyne

(adjective) of or relating to the beat produced by heterodyning two oscillations

heterodyne

(verb) combine (a radio frequency wave) with a locally generated wave of a different frequency so as to produce a new frequency equal to the sum or the difference between the two

Source: WordNet® 3.1

Etymology

Adjective

heterodyne (not comparable)

Of two oscillations: having two slightly different frequencies such that, when combined, they produce a beat

Noun

heterodyne (plural heterodynes)

The beat so produced

Either the sum or difference of the two oscillations

Verb

heterodyne (third-person singular simple present heterodynes, present participle heterodyning, simple past and past participle heterodyned)

To produce heterodyne interference in a radio

To change the frequency of a signal by such a process

Source: Wiktionary