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What is a ray?


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Ray:1:a column of light (as from a beacon); 2:a group of nearly parallel lines of electromagnetic radiation; 3:a branch of an umbel or an umbelliform inflorescence; 4:(mathematics) a straight line extending from a point; 5:the syllable naming the second (supertonic) note of any major scale in solmization; 6:any of the stiff bony spines in the fin of a fish.

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A ray is a straight line extending from a point. Go ChaCha!

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A ray is a straight line extending from a point. ChaCha on!

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A ray is a column of light (as from a beacon) [syn: beam, {beam of light}, light beam, ray of light, shaft, {shaft of light}].

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A Ray is a portion of a line limited at one end by a point but extending to infinity in the other direction.

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