Ultramarine
Ultramarine (ul`trȧ*mȧ*rēn") , adjective
[Prefix ultra- + marine.]
Situated or being beyond the sea. — Burke
Ultramarine , noun
[Compare Sp. ultramarino. So called because the lapis lazuli was originally brought from beyond the sea, -- from Asia.]
(Chemistry) 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.
Collocations (2)
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 Ultramarine ashes (Painting) , 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 than that produced by the mixture of more positive colors. — Fairholt