I. “+ noun
or ultramarine blue
Etymology: Medieval Latin ultramarinus coming from beyond the sea; from the fact that lapis lazuli came originally from Asia
1.
a. : a costly pure blue pigment formerly prepared by powdering lapis lazuli
b. : a brilliant blue pigment of similar composition but having commonly a reddish or greenish cast that is usually prepared by powdering the product from calcining essentially a mixture of kaolin, soda ash, sulfur, and charcoal or other reducing agent and that is used chiefly in paints, printing inks, paper, and laundry bluing — called also French blue, new blue
c. : any of various pigments that are usually produced by modifications of the above process or by replacing the sodium or the sulfur in ordinary ultramarine by other elements
silver ultramarine
2. : a vivid blue that is redder, lighter, and stronger than Ch'ing and redder than Cleopatra — called also Armenian blue
II. adjective
Etymology: Medieval Latin ultramarinus, from Latin ultra- + mare sea + -inus -ine — more at marine
: situated beyond the sea
ultramarine provinces
: coming from beyond the sea