A vibrant pale greenish-blue colour between blue and green in the visible spectrum; the complementary colour of red; the colour obtained by subtracting red from white light.

(chemistry) A chemical compound, NH₂CN; a white crystalline solid, soluble in water, having many commercial applications including fertilizer

(chemistry) To treat or react with cyanide

Initialism of cover your ass.

Of the colour cyan.

(inorganic chemistry) An aurocyanide.

plural of cyanate

plural of cyanamide

Having an azure colour.

plural of cyamodontid