ammonite
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ammonite
11. any extinct marine cephalopod mollusc of the order Ammonoidea, which were common in Mesozoic times and generally had a coiled partitioned shell. Their closest modern relative is the pearly nautilus
2. the shell of any of these animals, commonly occurring as a fossil
ammonite
21. an explosive consisting mainly of ammonium nitrate with smaller amounts of other substances, such as TNT
2. a nitrogenous fertilizer made from animal wastes
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
ammonite
[′a·mə‚nīt] (materials)
An explosive containing 70-95% ammonium nitrate.
(paleontology)
A fossil shell of the cephalopod order Ammonoidea.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.