ultramarine


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ultramarine,

blue pigmentpigment,
substance that imparts color to other materials. In paint, the pigment is a powdered substance which, when mixed in the liquid vehicle, imparts color to a painted surface.
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 used chiefly as a coloring material and as a bluing agent. A double silicate of sodium and aluminum with some sulfur, it is prepared commercially from kaolin, sulfur, soda ash, and other inexpensive ingredients. It was formerly produced by grinding the rare mineral lapis lazuli and was very costly.
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ultramarine

A blue pigment used in paint; once obtained from crushed lapis lazuli; now manufactured synthetically by calcining aluminum silicate and sodium sulfide; has good alkali resistance, but is sensitive to acids.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.

ultramarine

1. a vivid blue colour
2. from across the seas
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
References in periodicals archive ?
"We plan to be producing significantly higher volumes of our ultramarine blues and micronized iron oxides by early 2019 through this expansion project in Colombia.
Caption: Mary Bauermeister, Ultramarine Tubes, 1969-70, aluminum, glass, Plexiglas, optical lenses, shaped and painted wood, stones, ink, paint, 19 3/4 x 10 1/4 X 7".
Ultramarine is the Canadian indie band's best recording yet, a beautifully kinetic, visceral, and oddly intimate collection of electronic pop.
In "Merci," for example, clusters of ultramarine blue establish equilibrium within its opposite panel, just as the curls and loops of cadmium orange and tinted washes counteract each other in a diagonal arrangement across separate canvases.
THE HARBOUR AT NIGHT At night the yachts drift into the harbour With their beacon lights to guide them in Not too close to the island shore itself Before casting their anchor into the sea As people just walk past on to the old pier to stand so they Are ready on a clear night With the sea and the sky in the background of The colours of ultramarine with a hint of lilac and blue Ready for the sky to be lit up with fireworks to mark the end of Cowes Week On the Isle of Wight which is a major event in the sailing calendar itself REBECCA FINCH, Chapel House, Newcastle.
German artist Katharina Fritsch's ultramarine cockerel, designed to symbolise regeneration, awakening and strength, will take its place on the plinth in 2013.
Find this fuchsia rubber bead collar for pounds 10 at Dorothy Perkins - also in ultramarine.
It is comprised of a peroxide-based developer component containing, by weight, approximately 6-12% hydrogen peroxide; a powder activator component comprised of 40-80% by weight of an alkali metal persulfate selected from the group consisting of sodium persulfate, potassium persulfate and ammonium persulfate, an alkalizing agent component in an aqueous vehicle comprised of 3-25% of an alkalizing agent by weight; and a colorant present in an amount of from 0.1-2.5% by weight of the powder activator component, wherein the colorant is selected from the group consisting of ultramarine blue, D&C Yellow No.
is showing new developments in ultramarine pigments for plastics at NPE 2009.