Esperanto

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Etymology

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Compound of tero +‎ gaso.

Pronunciation

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  • IPA(key): [terˈɡaso]
  • Rhymes: -aso
  • Hyphenation: ter‧ga‧so

Noun

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tergaso (uncountable, accusative tergason)

  1. (rare) natural gas (mixture of gaseous hydrocarbons associated with petroleum deposits)