English Explanatory Dictionary

tranquillityite

English dictionary entry

Meanings

noun
  1. A hexagonal dark red mineral containing iron, oxygen, silicon, titanium, yttrium, and zirconium.

Word forms

tranquillityite tranquillityites

Etymology

From tranquillity + -ite, after the Sea of Tranquillity, a basin on the Moon where the mineral was first found.

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