tonus

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to·nus

 (tō′nəs)
n. pl. to·nus·es
Body or muscular tone; tonicity.

[Latin, tone; see tone.]

tonus

(ˈtəʊnəs)
n
(Physiology) physiol the normal tension of a muscle at rest; tone
[C19: from Latin, from Greek tonos tone]

to•nus

(ˈtoʊ nəs)

n.
a normal state of continuous slight tension in muscle tissue that facilitates its response to stimulation.
[1875–80; < New Latin, Latin < Greek tónos tone]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.tonus - the elastic tension of living muscles, arteries, etc. that facilitate response to stimulitonus - the elastic tension of living muscles, arteries, etc. that facilitate response to stimuli; "the doctor tested my tonicity"
muscular tissue, muscle - animal tissue consisting predominantly of contractile cells
tautness, tenseness, tensity, tension - the physical condition of being stretched or strained; "it places great tension on the leg muscles"; "he could feel the tenseness of her body"
catatonia - extreme tonus; muscular rigidity; a common symptom in catatonic schizophrenia
muscle tone, muscular tonus - normal tonicity of the muscles; "exercise improves muscle tone"
myotonia - abnormally long muscular contractions; slow relaxation of a muscle after a contraction
hypertonia, hypertonus, hypertonicity - (of muscular tissue) the state of being hypertonic
hypotonia, hypotonus, hypotonicity - (of muscular tissue) the state of being hypotonic
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