ultramarine
n. உறுகடனீலம்,கந்தகக் கன்மகியிலிருந்து கிடைக்கும் நீல வண்ணப் பொருள், (பெ.) கடல் கடந்த பகுதியிலமைவுற்ற.
Ul`tra*ma*rine", a. Etym: [Pref. ultra- + marine.] Defn: Situated or being beyond the sea. Burke. Ul`tra*ma*rine", n. Etym: [Cf. Sp. ultramarino. So called because the lapis lazuli was originally brought from beyond the sea, -- from Asia.] (Chem.) Defn: A blue pigment formerly obtained by powdering lapis lazuli, but now produced in large quantities by fusing together silica, alumina, soda, and sulphur, thus forming a glass, colored blue by the sodium polysulphides made in the fusion. Also used adjectively. Green ultramarine, a green pigment obtained as a first product in the manufacture of ultramarine, into which it is changed by subsequent treatment. -- Ultramarine ash or ashes (Paint.), a pigment which is the residuum of lapis lazuli after the ultramarine has been extracted. It was used by the old masters as a middle or neutral tint for flesh, skies, and draperies, being of a purer and tenderer gray that produced by the mixture of more positive colors. Fairholt.