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1. Lack of normal muscle tone.
2. Lack of accent or stress.
[Late Latin atonia, from Greek atoniā, from atonos, slack : a-, without; see a-1 + tonos, stretching, tone; see tone.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
1. (Pathology) pathol lack of normal tone or tension, as in muscles; abnormal relaxation of a muscle
2. (Phonetics & Phonology) phonetics lack of stress or accent on a syllable or word
[C17: from Latin atonia, from Greek: tonelessness, from atonos slack, from a-1 + tonos tone]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
at•o•ny(ˈæt n i)
also a•to•ni•a(əˈtoʊ ni ə, eɪˈtoʊ-)
1. lack of tone or energy; muscular weakness, esp. in a contractile organ.
2. lack of stress accent.
[1685–95; < Late Latin atonia < Greek, derivative of átonos unaccented, languid, literally, toneless. See a-6, tone]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
lack of tone or tonus in the body; poor muscular condition. Cf. tonicity. — atonic, adj.See also: Body, Human
-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.
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|Noun||1.||atony - lack of normal muscular tension or tonus|
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.