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1. Not accented: an atonic syllable.
2. Medicine Relating to, caused by, or exhibiting lack of muscle tone.
A word, syllable, or sound that is unaccented.

[From Greek atonos; see atony.]

at′o·nic′i·ty (ăt′ə-nĭs′ĭ-tē, ăt′n-ĭs-) n.
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.


(eɪˈtɒnɪk; æ-)
1. (Phonetics & Phonology) (of a syllable, word, etc) carrying no stress; unaccented
2. (Pathology) pathol lacking body or muscle tone
(Phonetics & Phonology) an unaccented or unstressed syllable, word, etc, such as for in food for thought
[C18: from Latin atonicus, from Greek atonos lacking tone; see atony]
atonicity n
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(əˈtɒn ɪk, eɪˈtɒn-)

1. not accented.
2. characterized by atony.
3. an unaccented word, syllable, or sound.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.atonic - characterized by a lack of tonus
2.atonic - used of syllables; "an atonic syllable carries no stress"
accented, tonic - used of syllables; "a tonic syllables carries the main stress in a word"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


[æˈtɒnɪk] ADJátono
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005
References in periodicals archive ?
The clinical signs focused were depression, ataxia, anorexia, dehydration, fluid distention, cyclic feed intake, laminitis (Bolton and Pass 1988), atonic rumen (Crichlow and Chaplin 1985), elevated heart rate (Westwood and Lean 2001), decreased dry matter intake (Stock, 2000; Garry, 2002), lameness (Harris and Hibburt.
KEYWORDS: Adherent placenta, Emergency obstetric hysterectomy, Atonic uterus.
After delivery, she began to hemorrhage and the uterus became atonic. Hysterectomy was performed but the bleeding did not stop.
LGS patients often suffer drop seizures--defined by researchers as "atonic, tonic or tonic-clonic seizures involving the entire body, trunk or head that led or could have led to a fall, injury, slumping in a chair or hitting the patient's head on a surface." Patients often experience developmental and intellectual disabilities and require lifelong care.
Meanwhile, he also experienced clonic and generalized tonicclonic (GTCS) and atonic seizures and had spasticity predominant in the lower extremities with no pathological reflexes.
i) Vowels, tonic (sira, sapiri, pirchi, fimmina; profunno) (9) and atonic (pinsero, pinsari, nenti, vidiri, poviro; comu), primarily front.
Bakri balloon versus condom-loaded Foley's catheter for treatment of atonic postpartum haemorrhage secondary to vaginal delivery: A randomized controlled trial.
In Japan, the agent is approved as an adjunctive therapy to other AEDs in the treatment of tonic and atonic seizures associated with LGS when therapy with other AEDs is considered inadequate.
Some types include tonic-clonic, absence, atonic, impaired awareness, aware and myoclonic.