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cyan.

An additive secondary colour midway between green and blue, evoked by wavelengths between ~490 and ~520 nm.

4 characters1 syllables approx.English language

Meaning & usage

noun/ˈsaɪˌæn//ˈsaɪ.ən//saɪˈæn//ˈsaɪ.ən/Canada
  1. An additive secondary colour midway between green and blue, evoked by wavelengths between ~490 and ~520 nm.

    countable · uncountable
Where this word comes from

Learned borrowing from Ancient Greek κύανος (kúanos), a shade of blue variously described as similar to cornflower, copper carbonate, and lapis lazuli, Mycenaean Greek 𐀓𐀷𐀜 (ku-wa-no), possibly from Hittite [script needed] (kuwannan-, “a precious stone; copper; shade of blue”) - likely from Kuwanniya, all going back to kuwanna (woman), related to "queen" and γυνή. Compare modern Greek κυανός (kyanós), also used for cyan.

adj/ˈsaɪˌæn//ˈsaɪ.ən//saɪˈæn//ˈsaɪ.ən/Canada
  1. Of the colour cyan.

Where this word comes from

Learned borrowing from Ancient Greek κύανος (kúanos), a shade of blue variously described as similar to cornflower, copper carbonate, and lapis lazuli, Mycenaean Greek 𐀓𐀷𐀜 (ku-wa-no), possibly from Hittite [script needed] (kuwannan-, “a precious stone; copper; shade of blue”) - likely from Kuwanniya, all going back to kuwanna (woman), related to "queen" and γυνή. Compare modern Greek κυανός (kyanós), also used for cyan.

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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.