Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A chemical compound containing aluminum as part of a negative ion.

from The Century Dictionary.

  • To treat or impregnate with alum; specifically, in printing engravings, to wash (the paper) with alum-water to prevent the running of the lines.
  • noun A salt in which alumina acts toward the stronger bases as an acid. Sodium aluminate is used as a mordant. The mineral spinel is a magnesium aluminate.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Chem.) A compound formed from the hydrate of aluminium by the substitution of a metal for the hydrogen.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun chemistry A compound, containing aluminium and oxygen with more electropositive elements, that is a salt of the hypothetical aluminic acid

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun a compound of alumina and a metallic oxide

Etymologies

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Examples

  • They contain lithium-aluminate pellets lined with zirconium, and are clad into long pencil-shaped, stainless steel rods.

    Robert Alvarez: Future Supply of New Tritium Explosive for U.S. Nuclear Weapons in Doubt Robert Alvarez 2010

  • The BlackLight Process is suppose to use a catalyst that when heated up will drain the energy from hydrogen, but the presence of sodium aluminate residue in the "catalyst" leaves reasonable doubt that instead of getting the excess energy from lowering the orbit of the hydrogen electrons, instead it is from the burning of the aluminum in the Reney Nickel "catalyst."

    Will 2010 be the Year of Zero Point Energy? 2010

  • A big chunk of pink silicate (lithium aluminate, no doubt, he mused); broke free, fell to the ground.

    Sentenced To Prism Foster, Alan Dean, 1946- 1985

  • At higher ph values, higher rates of soluble aluminate ions form.

    3. Technologies 1985

  • A compound formed from sulphates and calcium aluminate; if it is formed after the mortar between the bricks is well set, it may cause softening and expansion of the mortar joints.

    Chapter 15 1984

  • It is possible to produce a mixed solution of aluminate and silicate of potash which will remain liquid for twenty-four hours.

    Field's Chromatography or Treatise on Colours and Pigments as Used by Artists George Field

  • The pieces were passed through aluminate of soda at 18° B., then through ammonium chloride, washed, dyed with garancin, taken through an oil-bath, dried and steamed for an hour, and were finally cleared in the ordinary manner for Turkey-reds.

    Scientific American Supplement, No. 286, June 25, 1881 Various

  • Lastly, aluminate of soda may be used as a mordant in place of red liquor or sulphate of alumina.

    Scientific American Supplement, No. 286, June 25, 1881 Various

  • The calcium sulphate combines with the alumina of the cement, forming calcium sulpho-aluminate, which causes swelling and cracking of the concrete, and in cements containing a high proportion of alumina, leads to total destruction of all cohesion.

    The Sewerage of Sea Coast Towns Henry C. Adams 1912

  • The rare-earth aluminate compounds Pan will study under his CAREER Award offer the possibility of developing new materials that may be used to fabricate not just optical circuits, but efficient white LEDs.

    Nano Tech Wire 2010

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