12-letter words containing k, r
- reading book — a book for people who are learning to read, to help them become accustomed to looking at and understanding written words
- reading desk — a desk for use in reading, especially by a person standing.
- reading week — university: week-long break from classes
- ready-cooked — (of food or food products) cooked before it is sold
- reaping hook — a curved cutting tool with a sharp edge, used in the cutting or harvesting of crops
- receipt book — book containing receipt slips
- recklessness — utterly unconcerned about the consequences of some action; without caution; careless (usually followed by of): to be reckless of danger.
- record token — a gift voucher that can be used as payment for records of a specified value
- red kangaroo — a large Australian kangaroo, Macropus rufus, the male of which has a reddish coat
- red larkspur — a plant, Delphinium nudicaule, of the buttercup family, native to the western coast of the U.S., having orange-red or sometimes yellow flowers.
- reform flask — an English salt-glazed stoneware flask of the early 19th century formed as an effigy of one of the figures connected with the Reform Bill of 1832.
- rent-seeking — the act or process of using one’s assets and resources to increase one’s share of existing wealth without creating new wealth.
- reserve bank — one of the 12 principal banks of the U.S. Federal Reserve System.
- reserve tank — the tank or part of a tank in a car engine that reserves fuel in case the main fuel supply runs out
- rhythm stick — a small wooden stick used, especially by a child, as a simple percussive instrument in learning the rudiments of musical rhythm.
- rib-tickling — very amusing; funny or hilarious: a book of rib-tickling stories.
- ribbon snake — either of two long-tailed garter snakes, Thamnophis proximus or T. sauritus, of eastern and central North America, having a brownish body and yellow or orange stripes.
- ribeye steak — a large beefsteak cut from the outer, or eye, side of the ribs.
- richard korf — (person) A Professor of computer science at the University of California, Los Angeles. Richard Korf received his B.S. from MIT in 1977, and his M.S. and Ph.D. in computer science from Carnegie-Mellon University in 1980 and 1983. From 1983 to 1985 he served as Herbert M. Singer Assistant Professor of Computer Science at Columbia University. Dr. Korf studies problem-solving, heuristic search and planning in artificial intelligence. He wrote "Learning to Solve Problems by Searching for Macro-Operators" (Pitman, 1985). He serves on the editorial boards of Artificial Intelligence, and the Journal of Applied Intelligence. Dr. Korf is the recipient of several awards and is a Fellow of the American Association for Artificial Intelligence.
- rickenbacker — Edward Vernon ("Eddie") 1890–1973, U.S. aviator and aviation executive.
- rijksdaalder — a cupronickel or silver coin of the Netherlands, equal to 2½ guilders.
- ring knocker — a commissioned officer in the U.S. armed forces who is a graduate of a military academy.
- ring network — (networking, topology) A network topology in which all nodes are connected to a single wire in a ring or point-to-point. There are no endpoints. This topology is used by token ring networks. Compare: bus network, star network.
- risk capital — venture capital.
- risk manager — A risk manager is a person who works in risk management.
- risk pooling — Risk pooling is the practice of sharing all risks among a group of insurance companies.
- risk-benefit — involving studies, testing, etc., to establish whether the benefits, as of a course of medical treatment, outweigh the risks involved: to arrive at a risk-benefit ratio.
- risk-manager — the technique or profession of assessing, minimizing, and preventing accidental loss to a business, as through the use of insurance, safety measures, etc.
- robert hooke — Robert, 1635–1703, English philosopher, microscopist, and physicist.
- rock and rye — a bottled drink made with rye whiskey, rock candy, and fruit.
- rock bunting — a seed-eating songbird, Emberiza cia
- rock carving — the practice of carving on rock
- rock chopper — a Roman Catholic
- rock climber — sb who scales mountains
- rock cornish — a small hybrid chicken produced by mating Cornish and White Rock chickens and marketed especially as a roaster.
- rock crystal — transparent quartz, especially when colorless.
- rock glacier — a mass of rock resembling a valley glacier that moves or is moved down a slope by its own weight or by the action of frost and interstitial ice.
- rock jasmine — any of several alpine plants belonging to the genus Androsace, of the primrose family, having tufted leaves often in basal rosettes, and umbels of pink, red, purple, or white flowers.
- rock lobster — spiny lobster.
- rock springs — a city in SW Wyoming.
- rock wallaby — any wallaby of the genus Petrogale, having a banded or striped coat, slender body, and long legs and feet, inhabiting caves and rocky areas in Australia.
- rock-shelter — a shallow cave or cavelike area, as one formed by an overhanging cliff or standing rocks, occupied by Stone Age peoples, possibly for extended periods.
- rocker panel — body paneling below the passenger compartment of a vehicle.
- rocket motor — engine of a spacecraft
- rocket plane — aircraft that launches rockets
- rocket range — a firing range for rockets
- rocket salad — rocket2 (def 2).
- rocket-salad — any of various plants belonging to the genus Hesperis, of the mustard family, and related genera. Compare dame's rocket.
- rockhounding — the activity of searching for and collecting rocks
- rockumentary — a documentary about rock music.