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silicas

  • plural
    of silica.
    silica
    noun
    the dioxide form of silicon, SiO 2 , occurring especially as quartz sand, flint, and agate: used usually in the form of its prepared white powder chiefly in the manufacture of glass, water glass, ceramics, and abrasives.

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Studies of water and ice in hydrophilic and hydrophobic mesoporous silicas: pore characterisation and phase transformations.

From Nature ● Nov. 7, 2017

Steel, the strongest of all forms of iron, is an alloy of iron and carbon, and for various purposes these are further mixed with nickel and silicas.

From Checking the Waste A Study in Conservation by Mary Huston Gregory

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