Definition of Ray point. Meaning of Ray point. Synonyms of Ray point

Here you will find one or more explanations in English for the word Ray point. Also in the bottom left of the page several parts of wikipedia pages related to the word Ray point and, of course, Ray point synonyms and on the right images related to the word Ray point.

Definition of Ray point

Ray point
Ray Ray, n. [OF. rai, F. rais, fr. L. radius a beam or ray, staff, rod, spoke of a wheel. Cf. Radius.] 1. One of a number of lines or parts diverging from a common point or center, like the radii of a circle; as, a star of six rays. 2. (Bot.) A radiating part of the flower or plant; the marginal florets of a compound flower, as an aster or a sunflower; one of the pedicels of an umbel or other circular flower cluster; radius. See Radius. 3. (Zo["o]l.) (a) One of the radiating spines, or cartilages, supporting the fins of fishes. (b) One of the spheromeres of a radiate, especially one of the arms of a starfish or an ophiuran. 4. (Physics) (a) A line of light or heat proceeding from a radiant or reflecting point; a single element of light or heat propagated continuously; as, a solar ray; a polarized ray. (b) One of the component elements of the total radiation from a body; any definite or limited portion of the spectrum; as, the red ray; the violet ray. See Illust. under Light. 5. Sight; perception; vision; -- from an old theory of vision, that sight was something which proceeded from the eye to the object seen. All eyes direct their rays On him, and crowds turn coxcombs as they gaze. --Pope. 6. (Geom.) One of a system of diverging lines passing through a point, and regarded as extending indefinitely in both directions. See Half-ray. Bundle of rays. (Geom.) See Pencil of rays, below. Extraordinary ray (Opt.), that one or two parts of a ray divided by double refraction which does not follow the ordinary law of refraction. Ordinary ray (Opt.) that one of the two parts of a ray divided by double refraction which follows the usual or ordinary law of refraction. Pencil of rays (Geom.), a definite system of rays. Ray flower, or Ray floret (Bot.), one of the marginal flowers of the capitulum in such composite plants as the aster, goldenrod, daisy, and sunflower. They have an elongated, strap-shaped corolla, while the corollas of the disk flowers are tubular and five-lobed. Ray point (Geom.), the common point of a pencil of rays. R["o]ntgen ray(Phys.), a kind of ray generated in a very highly exhausted vacuum tube by the electrical discharge. It is capable of passing through many bodies opaque to light, and producing photographic and fluorescent effects by which means pictures showing the internal structure of opaque objects are made, called radiographs, or sciagraphs

Meaning of Ray point from wikipedia

- remaining structures are the Ray Point community center and the Ray Point Mercantile (closed). Nearby is the Ray Point cemetery. The nearest city is...
- issue of the Ray Tracing News. One simple way of finding whether the point is inside or outside a simple polygon is to test how many times a ray, starting...
- or horny spine on ray-finned fish Half-line (geometry) or ray, half of a line split at an initial point Directed half-line or ray, half of a directed...
- above 0.3 keV, from a combination of numerous X-ray point sources outside of the Milky Way, the cosmic X-ray background (CXB, XRB, CXRB). In 1962, in a project...
- Bobby Ray Barbosa Parks Jr. (born February 19, 1993) is a Filipino-American professional basketball player for the Osaka Evessa of the ****anese B.League...
- Ray Ray or Ray-Ray may refer to: Ray Ray (album), a 2004 album by Raphael Saadiq Ray-Ray Armstrong (born 1991), American football player Ray-Ray McCloud...
- meridional ray or tangential ray is a ray that is confined to the plane containing the system's optical axis and the object point from which the ray originated...
- An X-ray microscope uses electromagnetic radiation in the X-ray band to produce magnified images of objects. Since X-rays penetrate most objects, there...
- wavelength shorter than those of ultraviolet rays and longer than those of gamma rays. Roughly, X-rays have a wavelength ranging from 10 nanometers to...
- Point Reyes (/ˈreɪ.ɪs/ RAY-iss Spanish: Punta de los Reyes, meaning 'Cape of the Kings') is a prominent landform and po****r tourist destination on the...