tonus

noun
to·​nus | \ ˈtō-nəs \

Definition of tonus 

: tone sense 9b especially : a state of partial contraction characteristic of normal muscle

First Known Use of tonus

1876, in the meaning defined above

History and Etymology for tonus

New Latin, from Latin, tension, tone

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Dictionary Entries near tonus

tontiner

Tonto

Tonto National Monument

tonus

tony

Tony

too

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The first known use of tonus was in 1876

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tonus

noun
to·​nus | \ ˈtō-nəs \

Medical Definition of tonus 

2 : a state of partial contraction that is characteristic of normal muscle, is maintained at least in part by a continuous bombardment of motor impulses originating reflexly, and serves to maintain body posture

called also muscle tone

— compare clonus

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