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glutenite

ˈglutenite Geol. Obs. rare—1.
  [f. gluten + -ite.]
  A conglomerate rock (cf. gluten 4).

1811 Pinkerton Petral. I. 138 Glutenite, consisting of fragments of granite, cemented by trap. Siderous glutenite, or pudding-stone of the most modern formation.

Oxford English Dictionary

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