moyas

Noun

moya (countable and uncountable, plural moyas)

1. (obsolete) Flowing mud associated with a volcanic eruption (especially in South America), formed when snow or a lake near a volcano is disrupted, or when rain or steam mixes with soil or ash during an eruption.
   • These are the principal tufas indicative of the boiling tufaceous mud, or moya, which once filled, even to an overflow, the valley of Rieden.1832, Samuel Hibbert, History of the Extinct Volcanos of the Basin of Neuwied, on the Lower Rhine, page 40

   Synonyms:

   mud lava, volcanic mud, tufaceous mud

See all 2 meanings of moya