First Known Use: 1876
Dictionary
tonus
noun to·nus \ˈtō-nəs\
Definition of TONUS
: tone 9a; especially : a state of partial contraction characteristic of normal muscle
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Origin of TONUS
New Latin, from Latin, tension, tone
Medical Dictionary
tonus
noun to·nus \ˈtō-nəs\
Seen & Heard
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