longissimus capitis muscle lon·gis·si·mus cap·i·tis muscle (lŏn-jĭs’ə-məs cāp’ĭ-tĭs)
A muscle with origin from the upper thoracic vertebrae and the lower and middle cervical vertebrae, with insertion into the mastoid process, with nerve supply from the dorsal branches of the cervical nerves, and whose action keeps the head erect and draws it backward or to one side.
[lon-ji-tood, -tyood] /ˈlɒn dʒɪˌtud, -ˌtyud/ noun 1. Geography. angular distance east or west on the earth’s surface, measured by the angle contained between the meridian of a particular place and some prime meridian, as that of Greenwich, England, and expressed either in degrees or by some corresponding difference in time. 2. Astronomy. /ˈlɒndʒɪˌtjuːd; ˈlɒŋɡ-/ noun […]
noun, Navigation. 1. the longitude of the position of a vessel as estimated by dead reckoning.
[lon-ji-tood-n-l, -tyood-] /ˌlɒn dʒɪˈtud n l, -ˈtyud-/ adjective 1. of or relating to or length: longitudinal measurement. 2. extending in the direction of the length of a thing; running lengthwise: a thin, longitudinal stripe. 3. Zoology. pertaining to or extending along the long axis of the body, or the direction from front to back, or […]
- Longitudinal aberration
longitudinal aberration n. The distance separating the focus of paraxial and peripheral rays on the optic axis in spherical aberration.