Ballism
a condition characterized by twisting, shaking, and jerking motions.
Parkinson’s disease.
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- Ballismus
a condition characterized by twisting, shaking, and jerking motions. Parkinson’s disease. ballismus bal·lis·mus (bə-lĭz’məs) n. Jerky or shaking movements of the arms or legs, especially such movements occurring in chorea.
- Ballista
an ancient military engine for throwing stones or other missiles. Historical Examples The ballista was considerably larger and more expensive than this. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 5 Various The ballista (Fig. 229) was in reality a large cross-bow, built to shoot long, heavy bolts or arrows. The Boy Craftsman A. Neely Hall […]
- Ballistae
an ancient military engine for throwing stones or other missiles. Historical Examples ballistae are constructed on varying principles to produce an identical result. Ten Books on Architecture Vitruvius In this way the blows of ballistae and the force of fires will be repelled by them. Ten Books on Architecture Vitruvius It is said that from […]
- Ballistic camera
a camera for tracking missiles launched at night.
- Ballistic galvanometer
a galvanometer used to measure the quantity of electricity in a current of short duration. Historical Examples Between the magnetizing coils is a small induction coil D, which is connected with a ballistic galvanometer. Encyclopaedia Britannica, 11th Edition, Volume 17, Slice 3 Various noun (physics) a type of galvanometer for measuring surges of current. After […]