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ray1 US English

Each 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

ray2 US English

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

ray US Thesaurus

rays of light

Ray New Oxford Dictionary for Writers & Editors

, Man (1890–1976), American photographer; born Emmanuel Rudnitsky

Ray, John US English

(1627–1705), English naturalist. He was the first to classify flowering plants into monocotyledons and dicotyledons, and he established the species as the basic taxonomic unit

Ray, Satyajit US English

(1921–92), Indian movie director. He was the first to bring Indian movies to the attention of Western audiences

re2 US English

(In solmization) the second note of a major scale

X-ray US English

An electromagnetic wave of high energy and very short wavelength, which is able to pass through many materials opaque to light

X-ray US Thesaurus

the X-ray shows a clean break

Blu-ray US English

A format of DVD designed for the storage of high-definition video and data

Man Ray US English

(1890–1976), US photographer, painter, and filmmaker; born Emmanuel Radnitsky. A leading figure in the New York and European Dada movements, he is best known for Violon d’Ingres (1924), his photograph in which he made the back of a female nude resemble a violin

ray gun US English

(In science fiction) a gun causing injury or damage by the emission of rays

death ray US English

(In science fiction) a beam or ray capable of killing

devil ray US English

A large, long-tailed ray that has a fleshy, hornlike projection on each side of the mouth. It occurs on or near the surface of warm seas and feeds on plankton

eagle ray US English

A large marine ray with long pointed pectoral fins, a long tail, and a distinct head

Kroc, Ray US English

(1902–84) US entrepreneur and philanthropist; full name Raymond Albert Kroc. In 1955, he began his franchise empire of McDonald’s fast-food restaurants

Bolger, Ray US English

(1904–87), US dancer and actor; full name Raymond Wallace Bolger. He is best known for his role as the scarecrow in The Wizard of Oz (1939)

cathode ray US English

A beam of electrons emitted from the cathode of a high-vacuum tube

Charles, Ray US English

(1930–2004), US pianist and singer; born Ray Charles Robinson. Totally blind from the age of six, he drew on blues, jazz, and country music for songs such as “What'd I Say” (1959), “Georgia On My Mind” (1960), and “Busted” (1963)

cosmic ray US English

A highly energetic atomic nucleus or other particle traveling through space at a speed approaching that of light

Milland, Ray US English

(1907–86), US actor; born in Wales; born Reginald Alfred John-Truscott-Jones. His many movies include The Lost Weekend (1945), A Life of Her Own (1950), and Dial M for Murder (1954)

ray blight US English

A fungal disease of chrysanthemums that causes collapse and rotting of the leading shoot

ray floret US English

(In a composite flower head of the daisy family) any of a number of strap-shaped and typically sterile florets that form the ray. In plants such as dandelions, the flower head is composed entirely of ray florets

visual ray US English

An imaginary line representing the path of light from an object to the eye

Bradbury, Ray US English

(1920–2012), US writer of science fiction; full name Raymond Douglas Bradbury. Notable works: The Martian Chronicles (1950), Fahrenheit 451 (1951), and the semiautobiographical Green Town trilogy— Dandelion Wine (1957), Something Wicked This Way Comes (1962), and Farewell Summer (2006)

butterfly ray US English

A small ray of warm coastal waters with very broad triangular fins

electric ray US English

A sluggish bottom-dwelling marine ray that typically lives in shallow water and can produce an electric shock for the capture of prey and for defense

ordinary ray US English

(In double refraction) the ray that obeys the ordinary laws of refraction

X-ray fish US English

A small almost transparent freshwater fish with an opaque body cavity. Native to South America, it is popular in aquariums

X-ray tube US English

A device for generating X-rays by accelerating electrons to high energies and causing them to strike a metal target from which the X-rays are emitted

extraordinary ray US English

(In double refraction) the light ray that does not obey the ordinary laws of refraction

X-ray therapy US English

Medical treatment of a disease using controlled doses of X-rays

cathode ray tube US English

A high-vacuum tube in which cathode rays produce a luminous image on a fluorescent screen, used chiefly in televisions and computer terminals

Leonard, Sugar Ray US English

(1956-), US boxer; full name Ray Charles Leonard. Named "Fighter of the Decade" for the 1980s, he won five world titles in five different weight divisions

ray of sunshine US English

A person or thing that brings happiness into the lives of others

ray-finned fish US English

A fish of a large group having thin fins strengthened by slender rays, including all bony fishes apart from the coelacanth and lungfishes

X-ray astronomy US English

The branch of astronomy concerned with the detection and measurement of high-energy electromagnetic radiation emitted by celestial objects

X-ray diffraction US English

The scattering of X-rays by the regularly spaced atoms of a crystal, useful in obtaining information about the structure of the crystal

X-ray microscope US English

An instrument that uses X-rays to produce a magnified image

X-ray telescope US English

A telescope designed to detect sources of X-rays

Robinson, Sugar Ray US English

(1920–89), US boxer; born Walker Smith. He was world welterweight champion from 1946 to 1951 and seven times the middleweight champion

X-ray crystallography US English

The study of crystals and their structure by means of X-ray diffraction

x-ray in X-ray US English

An electromagnetic wave of high energy and very short wavelength, which is able to pass through many materials opaque to light

X ray in X-ray US English

An electromagnetic wave of high energy and very short wavelength, which is able to pass through many materials opaque to light

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