A vector quantity whose magnitude is proportional to the amount or speed of a rotation, and whose direction is perpendicular to the plane of that rotation (following the right-hand rule). Spin vectors, for example, are rotation vectors.
adjective 1. rotating or pertaining to rotation. 2. producing rotation. 3. happening in regular succession.
noun 1. a bandlike structure encircling and supporting the shoulder joint, formed by four muscles attached to and merging with the joint capsule. rotator cuff noun 1. (anatomy) the structure around the shoulder joint consisting of the capsule of the joint along with the tendons of the adjacent muscles rotator cuff n. A set of […]
noun, plural rotators for 1, 3, rotatores [roh-tuh-tawr-eez, -tohr-] /ˌroʊ təˈtɔr iz, -ˈtoʊr-/ (Show IPA), for 2. 1. a person or thing that rotates. 2. Anatomy. a muscle serving to rotate a part of the body. 3. Nautical. a bladed device streamed to rotate in the water to actuate a patent log. noun 1. a […]
- Rotator muscle
rotator muscle n. Any of a number of short transversospinal muscles chiefly developed in cervical, lumbar, and thoracic regions, arising from the transverse process of one vertebra and inserted into the root of the spinous process of the next two or three vertebrae above, with nerve supply from the dorsal branches of the spinal nerve, […]