英语词汇“ray”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

ray1

/reɪ

noun

1Each of the lines in which light (and heat) may seem to stream from the sun or any luminous body, or pass through a small opening: a ray of sunlight came through the window...

A Camera Obscura is when an inverted image is created by rays of light passing through a pinhole into a dark space.
Light rays pass through the cornea and the lens and focus on the retina.
I can't move, I'm so enraptured by the way the last luminous rays of light dance over his glowing skin.

Synonyms

beam, shaft, streak, bar, pencil, finger, stream, gleam, flash, glint, glimmer, flicker, twinkle, shimmer

1.1The straight line in which light or other electromagnetic radiation travels to a given point: take a specific point and back-trace every ray of light that hits that point...

This was the approach of geometrical optics, which treated light as moving in straight line rays which were reflected or refracted according to simple rules.
The easiest way to describe light rays and light cones is through geometric optics.
Mirrors, spherical or otherwise, operate on the principle that the angle of reflection of a ray of light equals the angle at which it strikes the mirror's surface.

1.2 (with adjective or noun modifier rays) A specified form of non-luminous radiation: ultraviolet rays...

But even more important is that it absorbs carcinogenic ultra-violet rays and electromagnetic radiation.
A whole day of radiation of ultraviolet rays even kills the most resistant of germs.
Look for one that promises to shield you from a broad spectrum of ultraviolet rays.

1.3 (rays) informal, chiefly North American Sunlight considered in the context of sunbathing: catch some rays on a sandy beach...

Find out about the villa's position and orientation so you know that you do not have go to the beach in order to catch some rays.
Midmountain, Sunshine Grill's deck lets you catch some rays over a burger or chili.
Two researchers specializing in the psychology of health say they've found a more productive way to wean sun worshipers from catching some rays.

1.4An initial or slight indication of a positive or welcome quality: if only I could see some ray of hope...

Most of all I feel really needed all of a sudden; I feel I can bring a slight ray of hope and variety to this ever more depressing world.
The commissioners comment, ‘This witness was a fresh and welcome ray of hope for the Tribunal.’
Although the concrete result of the proposal has yet to be seen, it nevertheless sparks a ray of hope for a peaceful solution in the troubled region.

Synonyms

glimmer, flicker, spark, glint, trace, hint, indication, suggestion, sign, scintilla, whisper

2 Mathematics Any of a set of straight lines passing through one point: the ray that runs from the centre of the circle to the point of tangency...

All coding elements redirect light so that no ray, besides the on-axis ray, travels toward the traditional geometric focus point.
It is always wise to make a sketch of the system, including the ray bundles for the on-axis and off-axis imagery.

3A thing that is arranged radially, in particular:Traces of thorns can be observed on the surface of the distal part of all rays....

All rays of the outwardly placed spicules are well developed.
In green swordtails, the sword consists of a set of ventral fin rays that extend posteriorly beyond the caudal fin margin.

3.1 Botany Any of the individual strap-shaped florets around the edge of the flower of a daisy or related plant.Parenchyma rays occur throughout the xylem and phloem cells....

In the vascular tissue of woody species, parenchyma cells include those in phloem, and the ray cells and axial parenchyma cells in xylem.
The resin canal itself was excluded from fusiform rays.

3.2 (also fin ray) Zoology Each of the long slender bony supports in the fins of most bony fishes.Two to three scales bear a pore behind the inversion line until the lateral line ends at a caudal fin ray....

The pelvic fin usually consists of a spine on each side and one fin ray.
One of the most prominent characteristics of early vertebrates is the elongate caudal fin bearing fin rays.

3.3 Zoology Each radial arm of a starfish.The sequence and pattern of development of supernumerary rays differs among multiradiate starfish.

verb [no object, with adverbial of direction]

1Spread from or as if from a central point: delicate lines rayed out at each corner of her eyes...

So he went to where a single blackthorn limb spired above a briary thicket, rayed with fine spikes.
The battleships ray out over the North Sea, keeping their stations accurately apart.

Synonyms

spread out, fan out, radiate out

1.1 [with object and adverbial of direction] literary Radiate (light): the sun rays forth its natural light into the air

Phrases

ray of sunshine

Derivatives

rayless

adjective (chiefly Botany ) ...

Senecio jacobaea exhibits geographic variation in the frequency of rayed and discoid (rayless) individuals.
The rayless clouds dimmed, the darkening sky loomed above.
Within the tomb no veiled and weeping sorrow sits, and in the rayless gloom is crouched no shuddering fear.

raylet

noun

Origin

Middle English: from Old French rai, based on Latin radius 'spoke, ray'. The verb dates from the late 16th century.

The ray that means ‘beam of light’ is a medieval word going back to Latin radius ‘spoke, ray’, the source of radiate (late 16th century) , radio (early 20th century), and radius (late 16th century). The term ray of sunshine for someone who brings happiness into the lives of others, dating back to the early 20th century, is often used ironically for someone who in fact spreads little cheer. Ray as a name for a fish is a different word, from Latin raia.

Rhymes

ray2

/reɪ

noun

A broad flat marine or freshwater fish with a cartilaginous skeleton, wing-like pectoral fins, and a long slender tail. Many rays have venomous spines or electric organs.

Order Batiformes: several families, including Rajidae (the skates).

Participants will dive amidst one of Europe's largest collection of sharks, as well as 2000 other fish, rays and conger eels....

The freshwater sawfish, a ray, is related to stingrays, skates, sharks, and other fishes with cartilaginous skeletons.
Whale sharks, manta rays and even grey whales are almost common.

Origin

Middle English: from Old French raie, from Latin raia.

ray3

/reɪ

(also re)

noun Music

1(In tonic sol-fa) the second note of a major scale.

1.1The note D in the fixed-doh system.

Origin

Middle English re, representing (as an arbitrary name for the note) the first syllable of resonare, taken from a Latin hymn (see solmization).

单词	ray
释义	ray1 /reɪ / noun 1Each of the lines in which light (and heat) may seem to stream from the sun or any luminous body, or pass through a small opening: a ray of sunlight came through the window... A Camera Obscura is when an inverted image is created by rays of light passing through a pinhole into a dark space. Light rays pass through the cornea and the lens and focus on the retina. I can't move, I'm so enraptured by the way the last luminous rays of light dance over his glowing skin. Synonyms beam, shaft, streak, bar, pencil, finger, stream, gleam, flash, glint, glimmer, flicker, twinkle, shimmer 1.1The straight line in which light or other electromagnetic radiation travels to a given point: take a specific point and back-trace every ray of light that hits that point... This was the approach of geometrical optics, which treated light as moving in straight line rays which were reflected or refracted according to simple rules. The easiest way to describe light rays and light cones is through geometric optics. Mirrors, spherical or otherwise, operate on the principle that the angle of reflection of a ray of light equals the angle at which it strikes the mirror's surface. 1.2 (with adjective or noun modifier rays) A specified form of non-luminous radiation: ultraviolet rays... But even more important is that it absorbs carcinogenic ultra-violet rays and electromagnetic radiation. A whole day of radiation of ultraviolet rays even kills the most resistant of germs. Look for one that promises to shield you from a broad spectrum of ultraviolet rays. 1.3 (rays) informal, chiefly North American Sunlight considered in the context of sunbathing: catch some rays on a sandy beach... Find out about the villa's position and orientation so you know that you do not have go to the beach in order to catch some rays. Midmountain, Sunshine Grill's deck lets you catch some rays over a burger or chili. Two researchers specializing in the psychology of health say they've found a more productive way to wean sun worshipers from catching some rays. 1.4An initial or slight indication of a positive or welcome quality: if only I could see some ray of* hope... Most of all I feel really needed all of a sudden; I feel I can bring a slight ray of hope and variety to this ever more depressing world. The commissioners comment, ‘This witness was a fresh and welcome ray of hope for the Tribunal.’ Although the concrete result of the proposal has yet to be seen, it nevertheless sparks a ray of hope for a peaceful solution in the troubled region. Synonyms glimmer, flicker, spark, glint, trace, hint, indication, suggestion, sign, scintilla, whisper 2 Mathematics* Any of a set of straight lines passing through one point: the ray that runs from the centre of the circle to the point of tangency... All coding elements redirect light so that no ray, besides the on-axis ray, travels toward the traditional geometric focus point. It is always wise to make a sketch of the system, including the ray bundles for the on-axis and off-axis imagery. 3A thing that is arranged radially, in particular:Traces of thorns can be observed on the surface of the distal part of all rays.... All rays of the outwardly placed spicules are well developed. In green swordtails, the sword consists of a set of ventral fin rays that extend posteriorly beyond the caudal fin margin. 3.1 Botany Any of the individual strap-shaped florets around the edge of the flower of a daisy or related plant.Parenchyma rays occur throughout the xylem and phloem cells.... In the vascular tissue of woody species, parenchyma cells include those in phloem, and the ray cells and axial parenchyma cells in xylem. The resin canal itself was excluded from fusiform rays. 3.2 (also fin ray) Zoology Each of the long slender bony supports in the fins of most bony fishes.Two to three scales bear a pore behind the inversion line until the lateral line ends at a caudal fin ray.... The pelvic fin usually consists of a spine on each side and one fin ray. One of the most prominent characteristics of early vertebrates is the elongate caudal fin bearing fin rays. 3.3 Zoology Each radial arm of a starfish.The sequence and pattern of development of supernumerary rays differs among multiradiate starfish. verb [no object, with adverbial of direction] 1Spread from or as if from a central point: delicate lines rayed out at each corner of her eyes... So he went to where a single blackthorn limb spired above a briary thicket, rayed with fine spikes. The battleships ray out over the North Sea, keeping their stations accurately apart. Synonyms spread out, fan out, radiate out 1.1 [with object and adverbial of direction] literary Radiate (light): the sun rays forth its natural light into the air Phrases ray of sunshine Derivatives rayless adjective (chiefly Botany ) ... Senecio jacobaea exhibits geographic variation in the frequency of rayed and discoid (rayless) individuals. The rayless clouds dimmed, the darkening sky loomed above. Within the tomb no veiled and weeping sorrow sits, and in the rayless gloom is crouched no shuddering fear. raylet noun Origin Middle English: from Old French rai, based on Latin radius 'spoke, ray'. The verb dates from the late 16th century. The ray that means ‘beam of light’ is a medieval word going back to Latin radius ‘spoke, ray’, the source of radiate (late 16th century) , radio (early 20th century), and radius (late 16th century). The term ray of sunshine for someone who brings happiness into the lives of others, dating back to the early 20th century, is often used ironically for someone who in fact spreads little cheer. Ray as a name for a fish is a different word, from Latin raia. Rhymes affray, agley, aka, allay, Angers, A-OK, appellation contrôlée, array, assay, astray, au fait, auto-da-fé, away, aweigh, aye, bay, belay, betray, bey, Bombay, Bordet, boulevardier, bouquet, brae, bray, café au lait, Carné, cassoulet, Cathay, chassé, chevet, chez, chiné, clay, convey, Cray, crème brûlée, crudités, cuvée, cy-pres, day, decay, deejay, dégagé, distinguée, downplay, dray, Dufay, Dushanbe, eh, embay, engagé, essay, everyday, faraway, fay, fey, flay, fray, Frey, fromage frais, gainsay, Gaye, Genet, giclee, gilet, glissé, gray, grey, halfway, hay, heigh, hey, hooray, Hubei, Hué, hurray, inveigh, jay, jeunesse dorée, José, Kay, Kaye, Klee, Kray, Lae, lay, lei, Littré, Lough Neagh, lwei, Mae, maguey, Malay, Mallarmé, Mandalay, Marseilles, may, midday, midway, mislay, misplay, Monterrey, Na-Dene, nay, né, née, neigh, Ney, noway, obey, O'Dea, okay, olé, outlay, outplay, outstay, outweigh, oyez, part-way, pay, Pei, per se, pince-nez, play, portray, pray, prey, purvey, qua, Quai d'Orsay, Rae, rangé, re, reflet, relevé, roman-à-clef, Santa Fé, say, sei, Shar Pei, shay, slay, sleigh, sley, spae, spay, Spey, splay, spray, stay, straightaway, straightway, strathspey, stray, Sui, survey, sway, Taipei, Tay, they, today, tokay, Torbay, Tournai, trait, tray, trey, two-way, ukiyo-e, underlay, way, waylay, Wei, weigh, wey, Whangarei, whey, yea ray2 /reɪ / noun A broad flat marine or freshwater fish with a cartilaginous skeleton, wing-like pectoral fins, and a long slender tail. Many rays have venomous spines or electric organs. Order Batiformes: several families, including Rajidae (the skates). Participants will dive amidst one of Europe's largest collection of sharks, as well as 2000 other fish, rays and conger eels.... The freshwater sawfish, a ray, is related to stingrays, skates, sharks, and other fishes with cartilaginous skeletons. Whale sharks, manta rays and even grey whales are almost common. Origin Middle English: from Old French raie, from Latin raia. ray3 /reɪ / (also re) noun Music 1(In tonic sol-fa) the second note of a major scale. 1.1The note D in the fixed-doh system. Origin Middle English re, representing (as an arbitrary name for the note) the first syllable of resonare, taken from a Latin hymn (see solmization).
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