Definitions

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

  • noun mineralogy An orthorhombic mineral first discovered on the Moon.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

From the names of astronauts Armstrong, Aldrin, and Collins +‎ -ite; it was discovered by the Apollo 11 crew.

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Examples

  • Among the substances the rock could contain is armalcolite, a mineral first discovered on the moon and named for Neil Armstrong, Buzz Aldrin and Michael Collins, who was on the Apollo 11 lunar mission crew.

    The Full Feed from HuffingtonPost.com The Huffington Post News Editors 2011

  • Among the substances the rock could contain is armalcolite, a mineral first discovered on the moon and named for Neil Armstrong, Buzz Aldrin and Michael Collins, who was on the Apollo 11 lunar mission crew.

    Breaking News: CBS News 2011

Comments

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  • A glorious and historically lovely mineral. Is "multieponymous" a word?

    March 3, 2010

  • Named for Armstrong, Aldrin and Collins, the Apollo 11 astronauts. Armstrong and Aldrin discovered the mineral at Tranquility Base on the moon. :-)

    March 7, 2010