monatomic

[mon-uh-tom-ik]

mon·a·tom·ic

[mon-uh-tom-ik]
adjective Chemistry.
1.
having one atom in the molecule.
2.
containing one replaceable atom or group.
3.
having a valence of one.


Origin:
1840–50; mon- + atomic

mon·a·tom·i·cal·ly, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Monatomic is always a great word to know.
So is glacial. Does it mean:
of, pertaining to, or tending to develop into icelike crystals: glacial phosphoric acid
a white, crystalline, slightly water-soluble solid, C3N3(NH2)3, used chiefly in organic synthesis and in the manufacture of resins
Collins
World English Dictionary
monatomic or monoatomic (ˌmɒnəˈtɒmɪk, ˌmɒnəʊəˈtɒmɪk)
 
adj
1.  (of an element) having or consisting of single atoms: argon is a monatomic gas
2.  (of a compound or molecule) having only one atom or group that can be replaced in a chemical reaction
3.  a less common word for monovalent
 
monoatomic or monoatomic
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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American Heritage
Medical Dictionary

monatomic mon·a·tom·ic (mŏn'ə-tŏm'ĭk)
adj.

  1. Occurring as single atoms.

  2. Having one replaceable atom or radical.

  3. Univalent.


mon'a·tom'ic·al·ly adv.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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