majorite

Noun. (mineralogy) A silicate of magnesium, iron and aluminium, found in the upper mantle of the Earth, that stores oxygen when under intense pressure.

This is an unmodified, but possibly outdated, definition from Wiktionary and used here under the Creative Commons license. Wiktionary is a great resource. If you like it too, please donate to Wikimedia.

This entry was last updated on RefTopia from its source on 3/20/2012.