12-letter words containing a, h, r, d
- radiographer — X-ray technician
- radiophonist — a person who produces radiophonic music
- radiotherapy — treatment of disease by means of x-rays or of radioactive substances.
- radiothorium — a disintegration product of thorium.
- raised beach — a wave-cut platform raised above the shoreline by a relative fall in the water level
- rammed earth — a mixture of sand, loam, clay, and other ingredients rammed hard within forms as a building material.
- ratchet down — If something ratchets down or is ratcheted down, it decreases by a fixed amount or degree, and seems unlikely to increase again.
- raven-haired — with glossy deep black hair
- read-through — reading (def 1).
- red bandfish — a fish, Cepola haastii, found on the inner continental shelf around New Zealand: family Cepolidae
- red goatfish — a goatfish, Mullus auratus.
- reemphasized — to give emphasis to; lay stress upon; stress: to emphasize a point; to emphasize the eyes with mascara.
- rehydratable — capable of being rehydrated
- rhabdosphere — a minute sphere made up of rhabdoliths
- rhadamanthus — Classical Mythology. a son of Zeus and Europa, rewarded for the justice he exemplified on earth by being made, after his death, a judge in the Underworld, where he served with his brothers Minos and Aeacus.
- rhadamanthys — Classical Mythology. a son of Zeus and Europa, rewarded for the justice he exemplified on earth by being made, after his death, a judge in the Underworld, where he served with his brothers Minos and Aeacus.
- rhode island — US state
- rhodes grass — a grass, Chloris gayana, native to Africa, used as pasturage and fodder in warm climates.
- rhodomontade — rodomontade
- rhombohedral — a solid bounded by six rhombic planes.
- 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.
- ride a hobby — to be excessively devoted to one's favorite pastime or subject
- riding habit — habit1 (def 11).
- right-angled — A right-angled triangle has one angle that is a right angle.
- right-handed — having the right hand or arm more serviceable than the left; using the right hand by preference: a right-handed painter.
- right-hander — a person who is right-handed, especially a baseball pitcher who throws with the right hand.
- road haulage — transport of goods by road
- road haulier — a person who owns or works for a road haulage company; a trucker
- running hand — script or calligraphy characterized by uniformly slanted letters that are written quickly and connected by long, continuous strokes of the pen.
- running head — a descriptive word, phrase, title, or the like, usually repeated at the top of each page of a book, periodical, etc.
- rutlandshire — a former county, now part of Leicestershire, in central England.
- saccharoidal — having a crystalline or granular texture: said esp. of some sandstones and marbles
- sacred heart — the physical heart of Jesus, to which special devotion is offered as a symbol of His love and redemptive sacrifice.
- saddle horse — a horse bred, trained, or used for riding.
- salad shaker — a portable plastic container which is used for storing salad and which has a separate compartment for salad dressing. The dressing is put on the salad just before it is eaten and the container can then be shaken to spread the salad dressing evenly.
- sandwich bar — a place where sandwiches are sold
- say the word — If someone says the word, they give their approval as a sign that something should start to happen.
- scabbardfish — any of several marine fishes having a long, compressed, silvery body, especially a cutlassfish, Trichiurus lepturus, of the western Atlantic.
- scheherazade — (in The Arabian Nights' Entertainments) the wife of the sultan of India, who relates such interesting tales nightly that the sultan spares her life.
- schneiderman — Rose, 1884–1972, U.S. labor leader, born in Poland.
- school board — a local board or committee in charge of public education.
- scratch card — a card or ticket having one or more sections coated with an opaque substance that can be scratched off to reveal a possible prize.
- scratch disk — 1. (storage) See scratch. 2. (operating system) Unallocated space on Windows 95's primary hard disk partition, used for virtual memory. Shortage of space on this partition can result in the error "scratch disk full".
- scratchboard — a cardboard coated with impermeable white clay and covered by a layer of ink that is scratched or scraped in patterns revealing the white surface below.
- scratchbuild — to build a scale model of something from scratch, that is, from raw materials like wood, clay or paper
- scratchpad i — (language) A general-purpose language originally for interactive symbolic mathematics by Richard Jenks, Barry Trager, Stephen M. Watt and Robert S. Sutor of IBM Research, ca 1971. It features abstract parametrised data types, multiple inheritance and polymorphism. There were implementations for VM/CMS and AIX.
- screw thread — Also called worm. the helical ridge of a screw.
- scrimshander — a person who makes scrimshaw objects.
- search order — an injunction allowing a person to enter the premises of another to search for and take copies of evidence required for a court case, used esp in cases of infringement of copyright
- shadow price — the calculated price of a good or service for which no market price exists