Spiral fracture
spiral fracture n.
A fracture in which the bone has been twisted apart and the line of break is helical.
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- Spiral-galaxy
noun, Astronomy. 1. a galaxy having a spiral structure. spiral galaxy noun 1. a galaxy consisting of an ellipsoidal nucleus of old stars from opposite sides of which arms, containing younger stars, spiral outwards around the nucleus. In a barred spiral the arms originate at the ends of a bar-shaped nucleus spiral galaxy (spī’rəl) A […]
- Spiral-gear
noun 1. a type of helical gear used for transmitting power between shafts that are at an angle to each other. 2. spiral bevel gear.
- Spiraling
noun 1. Geometry. a plane curve generated by a point moving around a fixed point while constantly receding from or approaching it. 2. a helix. 3. a single circle or ring of a spiral or helical curve or object. 4. a spiral or helical object, formation, or form. 5. Aeronautics. a maneuver in which an […]
- Spiral joint
spiral joint n. See cochlear joint.
- Spiralled
noun 1. Geometry. a plane curve generated by a point moving around a fixed point while constantly receding from or approaching it. 2. a helix. 3. a single circle or ring of a spiral or helical curve or object. 4. a spiral or helical object, formation, or form. 5. Aeronautics. a maneuver in which an […]