thoria

Noun

Meaning

A rare white earthy substance, consisting of the oxide of thorium; -- formerly called also thorina.

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Examples

The melting point of thoria is 3300 °C – the highest of all known oxides; only few substances have higher melting points. Source: Internet

This property of thoria is used in mantles of portable gas lights, including natural gas lamps, oil lamps and camping lights. Source: Internet

Sometimes thorium nitrate is used instead, because it will thermally decompose to thoria at high temperatures. Source: Internet

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