upconversion

Fetched 2026-10-26 (cache).

Synonyms: unconversion, conversion, reconversion, deconversion, coconversion

Antonyms: unconversion, conversion, reconversion, deconversion, coconversion

Related words from Datamuse; suggestions, not definitions.

Noun

1. {{lb|en|physics}} The process by which two [[photon]]s combine in a [[nonlinear]] medium to produce a higher-energy photon with a frequency that is the [[sum]] of those of the two photons
2. {{lb|en|electronics}} Conversion of a lower [[radio frequency]] to a higher frequency, possibly using a [[mixer]].

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.