tranquillityite

词形变化

tranquillityites 复数 tranquillityites

释义与例句

n.
  1. 1.

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

    化学 地质

词源

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

来源：wiktionary