Kieselguhr meaning

kēzəl-go͝or
noun
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A kind of soft rock containing the remains of diatoms; it absorbs nitroglycerine and is used to manufacture dynamite.
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Origin of kieselguhr

  • German Kieselgur Kiesel pebble (from Middle High German kisel) (from Old High German chisil) Gur, Guhr ferment, earthy deposit from water (from gären to ferment) (blend of Middle High German jësan) (from Old High German,) (Middle High German jern to cause to ferment) (from Old High German jerian yes- in Indo-European roots)

    From American Heritage Dictionary of the English Language, 5th Edition

  • From German Kieselguhr, from Kiesel (“pebble, gravel”) + Guhr (“guhr”).

    From Wiktionary