from The American Heritage® Dictionary of the English Language, 4th Edition
- n. See diatomite.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A kind of soft rock containing the remains of diatoms; it absorbs nitroglycerine and is used to manufacture dynamite.
from the GNU version of the Collaborative International Dictionary of English
- n. Siliceous earth; diatomaceous earth; specifically, porous infusorial earth, used as an absorbent of nitroglycerin in the manufacture of dynamite.
from The Century Dictionary and Cyclopedia
- n. A silicious infusorial earth, used as an absorbent for nitroglycerin in the manufacture of dynamite: same as infusorial silica.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a light soil consisting of siliceous diatom remains and often used as a filtering material
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, and Middle High German *jern, to cause to ferment, from Old High German jerian; see yes- in Indo-European roots).(American Heritage® Dictionary of the English Language, Fourth Edition)
From German Kieselguhr, from Kiesel ("pebble, gravel") + Guhr ("guhr"). (Wiktionary)