Kieselguhr
Pronunciation : Kie"sel*guhr`
Part of Speech : n.
Etymology : [G., fr. kiesel flint + guhr an earthy deposit or sediment in water.]
Definition : Defn: Siliceous earth; specifically, porous infusorial earth, used as an absorbent of nitroglycerin in the manufacture of dynamite.
Source : Webster's Unabridged Dictionary, 1913