Definitions for kieselguhr
diatomaceous earth, diatomite, kieselguhr(noun)
a light soil consisting of siliceous diatom remains and often used as a filtering material
A kind of soft rock containing the remains of diatoms; it absorbs nitroglycerine and is used to manufacture dynamite.
Origin: From Kieselguhr, from Kiesel ‘gravel’ + Guhr ‘guhr’.
siliceous earth; specifically, porous infusorial earth, used as an absorbent of nitroglycerin in the manufacture of dynamite