13-letter words containing s, o, r, d, e
- radiopacities — opaque to radiation; visible in x-ray photographs and under fluoroscopy (opposed to radiotransparent).
- radius vector — Mathematics. the length of the line segment joining a fixed point or origin to a given point.
- ragged school — (in Britain, formerly) a free elementary school for poor children
- raison d'etat — a purely political reason for governmental action, based on the national interest and often violating principles of justice.
- raison d'etre — reason or justification for being or existence: Art is the artist's raison d'être.
- random access — designating or of a volatile memory that allows data to be accessed directly and does not require following a sequence of storage locations
- random sample — a statistical sample that is devised to avoid interference so that its distribution is affected only by, and so can be held to represent, that of the whole population
- random-access — direct-access.
- read a lesson — to censure or reprimand, esp in a long-winded manner
- reconsecrated — to make or declare sacred; set apart or dedicate to the service of a deity: to consecrate a new church building.
- reconsolidate — to bring together (separate parts) into a single or unified whole; unite; combine: They consolidated their three companies.
- reconstituted — constituted again, especially of a liquid product made by adding water to dry solids from which the water has been evaporated: reconstituted orange juice.
- record sleeve — the outer covering of a phonograph record
- rectitudinous — characterized by or given to rectitude.
- red corpuscle — a red blood cell.
- red delicious — a deep-red type of Delicious apple.
- redemonstrate — to make evident or establish by arguments or reasoning; prove: to demonstrate a philosophical principle.
- redescription — the act of redescribing
- redesignation — an act of designating.
- redisposition — the withdrawal and redistribution of armed forces with the aim of more effective use
- redissolution — the act of redissolving
- regardless of — in spite of
- reindeer moss — any of several lichens of the genus Cladonia, especially the gray, many-branched C. rangiferina, of arctic and subarctic regions, eaten by reindeer and caribou.
- rendezvousing — an agreement between two or more persons to meet at a certain time and place.
- reserved word — a word in a programming language or computer system that has a fixed meaning and therefore cannot be redefined by a programmer
- reupholstered — to provide (chairs, sofas, etc.) with coverings, cushions, stuffing, springs, etc.
- reverse video — a mode on the display screen of a computer in which the colors normally used for characters and background are reversed.
- rhodesian man — an extinct Pleistocene human whose cranial remains were found at Kabwe, in Zambia: formerly in some classifications Homo rhodesiensis but now considered archaic Homo sapiens.
- rhodochrosite — a mineral, manganese carbonate, MnCO 3 , commonly containing some iron and calcium, and usually rose-red in color: a minor ore of manganese; manganese spar.
- ride the rods — to steal a ride on a freight train
- road surveyor — a person who does surveying work for road building
- robben island — a small island in South Africa, 11 km (7 miles) off the Cape Peninsula: formerly used by the South African government to house political prisoners
- roger-ducasse — Jean Jules Amable [zhahn zhyl a-ma-bluh] /ʒɑ̃ ʒül aˈma blə/ (Show IPA), 1873–1954, French composer.
- roll-top desk — a flexible, sliding cover for the working area of a desk, opening by rising upward and back in quadrantal grooves and rolling up beneath the top.
- roosevelt dam — a dam on the Salt River, in central Arizona. 284 feet (87 meters) high; 1080 feet (329 meters) long.
- rose d'anvers — a gem having a rose cut of 12 or fewer facets.
- rose mandarin — (in the Chinese Empire) a member of any of the nine ranks of public officials, each distinguished by a particular kind of button worn on the cap.
- rose-coloured — of the colour rose; rosy
- rosebud mouth — a mouth that resembles the unopened flower of a rose in shape
- ruffed grouse — a North American grouse, Bonasa umbellus, having a tuft of black feathers on each side of the neck.
- saber-toothed — having long, saberlike upper canine teeth, sometimes extending below the margin of the lower jaw.
- sacerdotalism — the system, spirit, or methods of the priesthood.
- sacerdotalize — to submit (something) to sacerdotalism
- sachet-powder — a small bag, case, or pad containing perfuming powder or the like, placed among handkerchiefs, lingerie, etc., to impart a pleasant scent.
- sacred baboon — hamadryas baboon.
- sacred bamboo — nandina.
- saddle oxford — saddle shoe.
- saint leonard — a city in S Quebec, in E Canada: suburb of Montreal.
- salmon ladder — a series of steps in a river designed to enable salmon to bypass a dam and move upstream to their breeding grounds
- scalenohedral — a hemihedral crystal form of 8 or 12 faces, each face being a scalene triangle.