[lon-ji-tood, -tyood] /ˈlɒn dʒɪˌtud, -ˌtyud/
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.
distance in degrees east or west of the prime meridian at 0° measured by the angle between the plane of the prime meridian and that of the meridian through the point in question, or by the corresponding time difference See latitude (sense 1)
(astronomy) short for celestial longitude
late 14c., “length,” from Latin longitudo “length, duration,” from longus (see long (adj.)). For origins, see latitude.
A measurement, in degrees, of a place’s distance east or west of the prime meridian, which runs through Greenwich, England. (Compare latitude.)
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.
noun, Naval Architecture. 1. the ratio of the immersed volume of a hull to the product obtained by multiplying its length on the water line by the immersed area of the midship transverse section, all assuming a given depth of immersion of the hull.