a technique of inlaying light-colored material, as bone, ivory, metal, or pale wood, in elaborate designs on a dark ground.
deep blue; sky blue; azure. Heraldry. a sky-blue tincture, used especially on the Continent. noun a deep blue colour; azure (as adjective): a cerulean sea adj. 1660s, with -an + Latin caeruleus “blue, dark blue, blue-green,” perhaps dissimilated from caelulum, diminutive of caelum “heaven, sky,” of uncertain origin (see celestial). The Latin word was applied […]
a light-blue to strong greenish-blue color. a pigment used in painting consisting mainly of oxides of tin and cobalt, chiefly characterized by its greenish-blue color and permanence.
a North American wood warbler, Dendroica cerulea, the male of which is blue above and white below.
cerulein ce·ru·le·in (sə-rōō’lē-ən) n. A decapeptide that stimulates smooth muscle, especially gallbladder contraction, and increases digestive secretions.