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Dictionary definition for the word "ray"
ray
(noun)
10 definitions 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 v 8: emit as rays; "That tower rays a laser beam for miles across the sky" 9: 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] 10: expose to radiation; "irradiate food" [syn: irradiate] |
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