資料來源 : pyDict
光線,放射線,閃爍,光輝,微量射出光線,浮現,放射光線放射,顯出
資料來源 : Webster's Revised Unabridged Dictionary (1913)
Ray \Ray\, v. t. [An aphetic form of array; cf. {Beray}.]
1. To array. [Obs.] --Sir T. More.
2. To mark, stain, or soil; to streak; to defile. [Obs.]
``The fifth that did it ray.'' --Spenser.
Ray \Ray\, n.
Array; order; arrangement; dress. [Obs.]
And spoiling all her gears and goodly ray. --Spenser.
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
Ray \Ray\, v. t. [imp. & p. p. {Rayed}; p. pr. & vb. n.
{Raying}.] [Cf. OF. raier, raiier, rayer, L. radiare to
irradiate. See {Ray}, n., and cf. {Radiate}.]
1. To mark with long lines; to streak. [Obs.] --Chaucer.
2. [From {Ray}, n.] To send forth or shoot out; to cause to
shine out; as, to ray smiles. [R.] --Thompson.
Ray \Ray\, v. t.
To shine, as with rays. --Mrs. Browning.
Ray \Ray\, n. [F. raie, L. raia. Cf. {Roach}.] (Zo["o]l.)
(a) Any one of numerous elasmobranch fishes of the order
Rai[ae], including the skates, torpedoes, sawfishes, etc.
(b) In a restricted sense, any of the broad, flat,
narrow-tailed species, as the skates and sting rays. See
{Skate}.
{Bishop ray}, a yellow-spotted, long-tailed eagle ray
({Stoasodon n[`a]rinari}) of the Southern United States
and the West Indies.
{Butterfly ray}, a short-tailed American sting ray
({Pteroplatea Maclura}), having very broad pectoral fins.
{Devil ray}. See {Sea Devil}.
{Eagle ray}, any large ray of the family {Myliobatid[ae]}, or
{[AE]tobatid[ae]}. The common European species
({Myliobatis aquila}) is called also {whip ray}, and
{miller}.
{Electric ray}, or {Cramp ray}, a torpedo.
{Starry ray}, a common European skate ({Raia radiata}).
{Sting ray}, any one of numerous species of rays of the
family {Trygonid[ae]} having one or more large, sharp,
barbed dorsal spines on the whiplike tail. Called also
{stingaree}.
資料來源 : WordNet®
ray
n 1: a column of light (as from a beacon) [syn: {beam}, {beam of
light}, {light beam}, {ray of light}, {shaft}, {shaft of
light}, {irradiation}]
2: a branch of an umbel or an umbelliform inflorescence
3: (mathematics) a straight line extending from a point
4: a group of nearly parallel lines of electromagnetic
radiation [syn: {beam}, {electron beam}]
5: the syllable naming the second (supertonic) note of any
major scale in solmization [syn: {re}]
6: any of the stiff bony rods in the fin of a fish
7: cartilaginous fishes having horizontally flattened bodies
and enlarged winglike pectoral fins with gills on the
underside; most swim by moving the pectoral fins
ray
v 1: emit as rays; "That tower rays a laser beam for miles across
the sky"
2: extend or spread outward from a center or focus or inward
towards a center; "spokes radiate from the hub of the
wheel"; "This plants radiates spines in all directions"
[syn: {radiate}]
3: expose to radiation; "irradiate food" [syn: {irradiate}]