15-letter words containing a, r, o, l
- regionalization — the process or tendency of dividing a country into administrative regions
- regulation time — the standard duration of a sports game, before the addition of any extra time to determine a winner, etc
- regulatory gene — any gene that exercises control over the expression of another gene or genes.
- regulatory risk — a risk to which private companies are subject, arising from the possibility of legislation or regulations that will affect business being adopted by a government
- relational dbms — relational database
- relative to sth — Relative to something means with reference to it or in comparison with it.
- relaxation time — the time that it takes for an exponentially decaying quantity, as radioactive particles or transient electrical currents, to decrease to 36.8 percent of its initial value.
- remonstratingly — in an remonstrating or dissenting manner
- remonstratively — in a remonstrative or expostulatory manner
- renal corpuscle — Malpighian body (sense 2)
- renormalization — the action or process of normalizing or causing to conform to a norm or normal state again
- reported clause — A reported clause is a subordinate clause that indicates what someone said or thought. For example, in 'She said that she was hungry', 'she was hungry' is a reported clause.
- requalification — a quality, accomplishment, etc., that fits a person for some function, office, or the like.
- research fellow — A research fellow is a member of an academic institution whose job is to do research.
- residual income — the remaining income (of a business or person) after necessary debts, expenses, etc, have been paid
- resocialization — the process of learning new attitudes and norms required for a new social role.
- restabilization — the act or process of stabilizing or the state of being stabilized.
- retail politics — a political strategy or campaign style of meeting and speaking directly to as many voters as possible: New Hampshire is a state where retail politics are decisive. Not every candidate is good at retail politics.
- retroperitoneal — of or relating to the area behind the abdominal lining, where organs such as the kidneys and bladder are located
- revisualization — the act of visualizing or picturing something again
- revolutionarily — of, pertaining to, characterized by, or of the nature of a revolution, or a sudden, complete, or marked change: a revolutionary junta.
- revolving stage — a circular platform divided into segments enabling multiple theater sets to be put in place in advance and in turn rotated into view of the audience.
- rhombencephalon — the hindbrain.
- ricinoleic acid — a colorless to yellow, viscous, liquid, water-insoluble, unsaturated hydroxyl acid, C 1 8 H 3 4 O 3 , occurring in castor oil in the form of the glyceride: used chiefly in soaps and textile finishing.
- ride for a fall — to sit on and manage a horse or other animal in motion; be carried on the back of an animal.
- right of asylum — the right of alien fugitives to protection or nonextradition in a country or its embassy.
- ringtail monkey — a Central and South American monkey, Cebus capucinus, having a prehensile tail and hair on the head resembling a cowl.
- río de la plata — Rí·o de la [ree-aw th e lah] /ˈri ɔ ðɛ lɑ/ (Show IPA) an estuary on the SE coast of South America between Argentina and Uruguay, formed by the Uruguay and Paraná rivers, about 185 miles (290 km) long.
- rocket airplane — an airplane propelled wholly or mainly by a rocket engine.
- rocket launcher — a tube attached to a weapon for the launching of rockets.
- rockrose family — the plant family Cistaceae, characterized by herbaceous plants and shrubs having simple, usually opposite leaves, solitary or clustered flowers, and capsular fruit, and including the frostweed, pinweed, and rockrose.
- rogues' gallery — a collection of portraits of criminals and suspects maintained by the police for purposes of identification.
- roll in the hay — a document of paper, parchment, or the like, that is or may be rolled up, as for storing; scroll.
- rolling bearing — any bearing in which the antifriction action depends on the rolling action of balls or rollers
- rolling meadows — a city in NE Illinois, near Chicago.
- rolling targets — a series of targets which are reviewed periodically so that they always extend for the same period into the future
- romblon islands — a group of islands of the Philippines in the Sibuyan Sea and Tablas Strait, part of the Visayan Islands.
- room-and-pillar — noting a means of extracting coal or other minerals from underground deposits by first cutting out rooms, then robbing the pillars between them; pillar-and-breast.
- rotary drilling — Rotary drilling is the use of a continuous circular motion of the drill bit to make a hole.
- rough bluegrass — a grass, Poa trivialis, native to Eurasia and naturalized in North America, where it is used in mixtures for lawns and pasturage.
- roundaboutility — roundaboutness
- rowland heights — a city in SW California, near Los Angeles.
- royal air force — aerial branch of British military
- royal enclosure — at the Royal Ascot horse-race meeting, an area of Ascot racecourse which is reserved for the Royal Family, members, and their guests
- royal engineers — a branch of the British army that undertakes the building of fortifications, mines, bridges, and other engineering works
- royal poinciana — a tree, Delonix regia, of the legume family, native to Madagascar, having showy clusters of brilliant scarlet flowers and long, flat, woody pods.
- royal worcester — Worcester china made after 1862
- rubbing alcohol — a poisonous solution of about 70 percent isopropyl or denatured ethyl alcohol, usually containing a perfume oil, used chiefly in massaging.
- rural sociology — the sociological study of life in rural areas and the effects of ruralization.
- sailor's choice — any of various small percoid fishes of American coastal regions of the Atlantic, esp the grunt Haemulon parra and the pinfish