helenite

名词 n.
中文释义

英文释义

名词 n.
  1. A greenish artificial gem, made by melting and vitrifying volcanic ash from the 1980 eruption of Mount Saint Helens. uncountable

词形变化

Helenite alternative

词源

From Helen + -ite. From Mount St Helens, whose volcanic ash is used to manufacture helenite.
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