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n. Alternative spelling of fire clay.

n. a variety of clay, entirely free from lime, iron, or an alkali, and therefore infusible, and used for fire brick.

n. See under Clay.

n. a heat-resistant clay.

n. That kind of clay which is suitable for making articles which will not melt, nor even perceptibly soften when exposed to a high temperature.

n. a heat-resistant clay

"Sometimes the term fireclay is used only for the clays lying below and between coalseams."

clay   

puddling    ersite    forced-air    open-hearth    forced-draft    steel-plate    wood-fired    punch-down    thousand-ton    reinforced concrete