Definition of Ray flower. Meaning of Ray flower. Synonyms of Ray flower

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

Definition of Ray flower

Ray flower
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 flower from wikipedia

- A ray flower is a two- or three-lobed, strap-shaped, individual flower, found in the head of most members of the Asteraceae. The corolla of the ray flower...
- family (Asteraceae), whose flowers are differentiated into ray flowers and disk flowers, unique to this family. The disk flowers in the center of the pseudanthium...
- wide, terminal capitula (flower heads made up of many tiny flowers), with bright yellow ray florets (mini flowers inside a flower head) at the outside and...
- Flower Flower (フラワー フラワー, Furawā Furawā, stylised as FLOWER FLOWER) is a ****anese rock band that was formed in 2013 by ****anese singer-songwriter Yui....
- Flower Drum Song is a 1961 American musical film directed by Henry Koster, adapted from the Rodgers and Hammerstein musical Flower Drum Song, premiered...
- stem. One plant can produce as many as 20 flower heads, each with 30–45 yellow ray flowers but no disc flowers. It is a perennial that blooms from May to...
- numerous small individual five-petaled flowers ("florets"). The outer flowers, which resemble petals, are called ray flowers. Each "petal" consists of a ligule...
- near the top of the stem. Flower heads are up to 8 cm (3 inches) across and are borne singly. Ray flowers are white, disc flowers usually yellow but sometimes...
- anthropogenic habitats. The flower head has ray flowers only, meaning all of the individual flowers of the flower head have a strap-shaped ray, which may or may...
- forms many small flower heads in elongated arrays. Each head contains 3–4 purple disc flowers but no ray flowers. Flower Plant with flowers Tropicos, Gnaphalium...