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rays

Overview page. Subjects: Earth Sciences and Geography — Astronomy and Astrophysics.

Bright streaks radiating from young lunar craters. They have no surface relief and darken with age, probably due to mixing with the regolith and to exposure to radiation. They are most...

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ray

David A. Bender.

in A Dictionary of Food and Nutrition

January 2009; p ublished online January 2009 .

Reference Entry. Subjects: Cookery, Food, and Drink. 26 words.

Cartilaginous fish, Raja spp. Thornback ray is R. clavata, starry ray is R. asterias, and shagreen ray is

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ray

David A. Bender.

in A Dictionary of Food and Nutrition

P ublished online January 2014 .

Reference Entry. Subjects: Cookery, Food, and Drink. 26 words.

Cartilaginous fish, Raja spp. Thornback ray is R. clavata, starry ray is R. asterias, and shagreen ray is

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ray

Overview page. Subjects: Medicine and Health.

Cartilaginous fish, Raja spp. Thornback ray is R. clavata, starry ray is R. asterias, and shagreen ray is Leucoraja fullonica. Often used synonymously with skate.

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ray

Julia Cresswell.

in The Oxford Dictionary of Word Origins

January 2009; p ublished online January 2010 .

Reference Entry. Subjects: History of English. 79 words.

[ME]

The ray that means ‘beam of light’ is a medieval word going back to Latin radius ‘spoke, ray’, the

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ray

Elizabeth Martin and Robert Hine.

in A Dictionary of Biology

January 2008; p ublished online January 2008 .

Reference Entry. Subjects: Biological Sciences. 15 words.

1 (in optics) A narrow beam of radiation.

2 (in botany) See medullary ray.

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Ray

Patrick Hanks, Richard Coates and Peter McClure.

in The Oxford Dictionary of Family Names in Britain and Ireland

November 2016; p ublished online November 2016 .

Reference Entry. Subjects: Names Studies. 177 words.

Variants: Raye, Rey, Reyes, Rae, Wray, Rayes

Current frequencies: GB 8411, Ireland 257 •

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ray

Overview page. Subjects: Literature.

Obs. to shoot with a ray‐gun or other energy weapon.1930 J. W. Campbell, Jr. Black Star Passes Amazing Stories Quarterly (Fall) 509/1 So the ships had been rayed apart, and ...

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ray

Edited by Robert Hine and Elizabeth Martin.

in A Dictionary of Biology

June 2016; p ublished online September 2015 .

Reference Entry. Subjects: Biological Sciences. 46 words.

1. (in optics) A narrow beam of radiation.

2. (in botany) See medullary ray.

3. (in zoology)

a. A

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ray

in A Dictionary of Physics

January 2009; p ublished online January 2009 .

Reference Entry. Subjects: Physics. 38 words.

A narrow beam of radiation or an idealized representation of such a beam on a ray diagram, which can

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ray

Edited by Jonathan Law and Richard Rennie.

in A Dictionary of Physics

January 2015; p ublished online September 2015 .

Reference Entry. Subjects: Physics. 38 words.

A narrow beam of radiation or an idealized representation of such a beam on a ray diagram, which can

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