cerulean

ce·ru·le·an  (s-rl-n)

adj.

Azure; sky-blue.

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[From Latin caeruleus, dark blue; akin to caelum, sky.]

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cerulean [sɪˈruːlɪən]

n

(Fine Arts & Visual Arts / Colours)

a.  a deep blue colour; azure

b.  (as adjective) a cerulean sea

[from Latin caeruleus, probably from caelum sky]

Thesaurus

Noun	1.	cerulean - a light shade of blue azure, lazuline, sky-blue, sapphire blue, blueness - blue color or pigment; resembling the color of the clear sky in the daytime; "he had eyes of bright blue"
Adj.	1.	cerulean - of a deep somewhat purplish blue color similar to that of a clear October sky; "October's bright blue weather" azure, bright blue, sky-blue chromatic - being or having or characterized by hue