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ENGLISH · A WORD WITH POSSIBILITIES

sidechannel.

An indirect source of information about what a system is doing, such as execution time, version number, etc.

11 characters4 syllables approx.English language

Meaning & usage

noun
  1. An indirect source of information about what a system is doing, such as execution time, version number, etc.

  2. A small branch from the main flow of a river, hydraulic system, or electronic circuit.

Where this word comes from

From side + channel.

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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.

Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.