Word.ws English Dictionary

helenite

helenite noun: a greenish artificial gem, made by melting and vitrifying volcanic ash from the 1980 eruption of Mount Saint Helens.

Noun

helenite (uncountable)

  1. A greenish artificial gem, made by melting and vitrifying volcanic ash from the 1980 eruption of Mount Saint Helens.
    Synonyms:
    Mount St. Helens obsidian

Synonyms of helenite

  • Mount St. Helens obsidian

Forms of helenite

alternative formHelenite

Origin of helenite

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

Questions about helenite

What does helenite mean?
Helenite means a greenish artificial gem, made by melting and vitrifying volcanic ash from the 1980 eruption of Mount Saint Helens.
What part of speech is helenite?
Helenite is a noun.

Words near helenite in the dictionary

  1. Helendale
  2. Helene
  3. Helenean
  4. Helengrad
  5. helenin
  6. helenite
  7. helenium
  8. heleniums
  9. helens
  10. Helensburgh
  11. Helensville

Source and license

Adapted from Wiktionary: helenite (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “helenite.” Word.ws, https://word.ws/helenite. Based on Wiktionary, CC BY-SA 4.0.