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Trass vs Frass - What's the difference?

trass | frass |

As nouns the difference between trass and frass

is that trass is a white to grey volcanic tufa, formed of decomposed trachytic cinders, sometimes used as a cement while frass is the droppings or excrement of insects.

trass

English

Alternative forms

* tarrace * tarras * terras

Noun

(-)
  • (geology) A white to grey volcanic tufa, formed of decomposed trachytic cinders, sometimes used as a cement.
  • A coarse sort of plaster or mortar, durable in water, and used to line cisterns and other reservoirs of water.
    • (Webster 1913)

    frass

    English

    Noun

    (-)
  • The droppings or excrement of insects.
    • ----