heterodyne

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

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

From hetero- + -dyne.

As far as I can see, all we need is a similar variable electric field of a slightly different frequency to heterodyne theirs into something quite harmless." — The Ultimate Weapon, John W., Jr. (John Wood) Campbell

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