D defs.my
Entry 1 sense Webster, 1913

Kieselguhr

· Kie·sel·guhr · IPA /ˈkiːzəlɡʊə/
01 n. Siliceous earth; diatomaceous earth; specifically, porous infusorial earth, used as an absorbent of nitroglycerin in the manufacture of dynamite.
  1. 1.
    Siliceous earth; diatomaceous earth; specifically, porous infusorial earth, used as an absorbent of nitroglycerin in the manufacture of dynamite.