A & R

ray 1 (r?)n.1. a. A narrow stream of radiant energy, especially visible light, traveling in a straight or nearly straight line.b. A narrow stream of particles such as protons traveling in a straight or nearly straight line.c. A rapidly moving particle traveling in a straight or nearly straight line.d. rays Sunshine: Let’s go to the beach and catch some rays.2. A small amount; a trace: not a ray of hope left.3. Mathematics A straight line extending from a point. Also called half-line.4. A structure or part having the form of a straight line extending from a point, such as:a. Any of the bright streaks that are seen radiating from some craters on the moon.b. A ray flower or the strap-shaped portion of the corolla of a ray flower.c. A branch of an umbel.d. One of the bony spines supporting the membrane of a fish’s fin.e. One of the arms of a starfish or other radiate animal.tr.v. rayed, ray·ing, rays 1. To send out as rays; emit.2. To supply with rays or radiating lines.3. To cast rays on; irradiate.[Middle English rai, from Old French, from Latin radius, pointed stick, spoke, radius of a circle, ray of light (from the representation of rays of light as spearlike shafts ), of unknown origin.]ray 2 (r?)n.1. Any of various cartilaginous fishes of the superorder Batoidea, having ventral gill slits, enlarged pelvic fins that are fused to the sides of the head, and a flattened body, and including the stingrays, skates, and guitarfishes.2. Any of various members of this superorder having a whiplike tail usually with a stinging spine, such as a stingray, considered in contrast to a guitarfish, sawfish, or skate.[Middle English, from Anglo-Norman raie, from Latin raia; possibly akin to Dutch rog and Old English reohhe (both the Latin and the Germanic perhaps ultimately being borrowed from the same European substrate source).]American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.ray (re?) n1. a narrow beam of light; gleam2. a slight indication, esp of something anticipated or hoped for: a ray of solace. 3. (Mathematics) maths a straight line extending from a point4. (General Physics) a thin beam of electromagnetic radiation or particles5. (Zoology) any of the bony or cartilaginous spines of the fin of a fish that form the support for the soft part of the fin6. (Zoology) any of the arms or branches of a starfish or other radiate animal7. (Astronomy) astronomy any of a number of bright streaks that radiate from the youngest lunar craters, such as Tycho; they are composed of crater ejecta not yet darkened, and extend considerable distances8. (Botany) botany any strand of tissue that runs radially through the vascular tissue of some higher plants. See medullary rayvb9. (of an object) to emit (light) in rays or (of light) to issue in the form of rays10. (intr) (of lines, etc) to extend in rays or on radiating paths11. (Art Terms) (tr) to adorn (an ornament, etc) with rays or radiating lines[C14: from Old French rai, from Latin radius spoke, radius]ray (re?) n (Animals) any of various marine selachian fishes typically having a flattened body, greatly enlarged winglike pectoral fins, gills on the undersurface of the fins, and a long whiplike tail. They constitute the orders Torpediniformes (electric rays) and Rajiformes[C14: from Old French raie, from Latin raia]ray (re?) n (Music, other) music (in tonic sol-fa) the second degree of any major scale; supertonic[C14: see gamut]Ray (re?) n (Placename) Cape Ray a promontory in SW Newfoundland, CanadaRay (re?) n1. (Biography) John. 1627?1705, English naturalist. He originated natural botanical classification and the division of flowering plants into monocotyledons and dicotyledons2. (Biography) Man, real name Emmanuel Rudnitsky. 1890?1976, US surrealist photographer3. (Biography) Satyajit (?sætj?d??t). 1921?92, Indian film director, noted for his Apu trilogy (1955?59)Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014ray1 (re?) n. 1. a narrow beam of light. 2. a slight manifestation: a ray of hope. 3. radiance. 4. a. any of the lines or streams in which light appears to radiate from a luminous body. b. the straight line normal to the wave front in the propagation of radiant energy. c. a stream of particles all moving in the same straight line. Compare gamma ray, alpha ray. 5. a. one of a system of straight lines emanating from a point. b. the part of a straight line considered as originating at a point on the line and as extending in one direction from that point. 6. any of a system of parts radially arranged. 7. a. one of the branches or arms of a starfish or other radiate animal. b. one of the bony or cartilaginous rods in the fin of a fish. 8. Bot. a. ray flower. b. one of the branches of an umbel. c. medullary ray. 9. one of many long, bright streaks radiating from some large lunar craters. v.i. 10. to emit rays. 11. to issue in rays. v.t. 12. to send forth in rays. 13. to throw rays upon; irradiate. 14. to subject to the action of rays, as in radiotherapy. Idioms: get or grab some rays, Slang. to sunbathe. [1300?50; Middle English raie, raye

ArThe symbol for argon.ARabbr.1. accounts receivable2. Arkansas3. army regulationar 1 (är)n. Variant of are2.ar 2 (är)n. The letter r.[Middle English arre, from Late Latin er.]American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.ar the internet domain name for (Computer Science) Argentina Ar the chemical symbol for (Elements & Compounds) argon AR abbreviation for 1. (Placename) Arkansas 2. (Government, Politics & Diplomacy) Autonomous Region 3. (Accounting & Book-keeping) Also: A/R (in the US and Canada) accounts receivable Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014ar- var. of ad- before r: arrear. -ar1 , var. of -al1, joined to words in which an l precedes the suffix: circular; lunar; singular. [

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