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ammonite1

[am-uh-nahyt] /ˈæm əˌnaɪt/
noun
1.
the coiled, chambered fossil shell of an ammonoid.
Origin of ammonite1
1700-1710
1700-10; < New Latin Ammonites < Medieval Latin (cornū) Ammōn(is) (literally, horn of Ammon) + -ītes -ite1; fossil so called from its resemblance to the horn of Jupiter Ammon
Related forms
ammonitic
[am-uh-nit-ik] /ˌæm əˈnɪt ɪk/ (Show IPA),
adjective
ammonitoid
[uh-mon-i-toid] /əˈmɒn ɪˌtɔɪd/ (Show IPA),
adjective

ammonite2

[am-uh-nahyt] /ˈæm əˌnaɪt/
noun
1.
a nitrogenous mixture consisting chiefly of dried animal fats, usually obtained from livestock carcasses, and used as a fertilizer.
Origin
First recorded in 1600-10; ammo(nium) + nit(rat)e

Ammonite

[am-uh-nahyt] /ˈæm əˌnaɪt/
noun
1.
an inhabitant of Ammon.
adjective
2.
of or relating to the Ammonites.
Origin
First recorded in 1605-15; Ammon + -ite1
Related forms
Ammonitish, adjective
pre-Ammonite, adjective, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for ammonites

Ammonites

/ˈæməˌnaɪts/
plural noun
1.
(Old Testament) a nomadic tribe living east of the Jordan: a persistent enemy of the Israelites

ammonite1

/ˈæməˌnaɪt/
noun
1.
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
Derived Forms
ammonitic (ˌæməˈnɪtɪk) adjective
Word Origin
C18: from New Latin Ammōnītēs, from Medieval Latin cornū Ammōnis, literally: horn of Ammon

ammonite2

/ˈæməˌnaɪt/
noun
1.
an explosive consisting mainly of ammonium nitrate with smaller amounts of other substances, such as TNT
2.
a nitrogenous fertilizer made from animal wastes
Word Origin
C20: from ammo(nium) + ni(tra)te
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for ammonites

ammonite

n.

"cephalopod mollusk," 1758, from French (Breyn, 1732), "better established" [Century Dictionary] by French zoologist Jean Guillaume Bruguière (c.1750-1798) in 1789, from Medieval Latin (cornu) Ammonis "horn of Ammon," the Egyptian god of life and reproduction, who was depicted with ram's horns, which the fossils resemble. The resemblance also was noted in ancient times.

Online Etymology Dictionary, © 2010 Douglas Harper
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ammonites in Science
ammonite
  (ām'ə-nīt')   
Any of the ammonoids belonging to the order Ammonitida and living during the Jurassic and the Cretaceous Periods. Ammonites had a thick, very ornamental chambered shell with highly defined, wavy sutures between the chambers.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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13
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