16-letter words containing ri
- april fools' day — April 1, a day when practical jokes or tricks are played on unsuspecting people.
- arctic red river — a river in the W Northwest Territories, Canada, flowing NW to the Mackenzie River. 310 miles (500 km) long.
- aristocratically — In an aristocratic manner.
- arrival platform — the platform where a train, or passenger arrives
- arsenic trioxide — a white poisonous powder used in the manufacture of glass and as an insecticide, rat poison, and weedkiller. Formula: As2O3
- arteriocapillary — Relating to the arteries and the capillaries.
- arteriosclerosis — Arteriosclerosis is a medical condition in which the walls of your arteries become hard and thick, so your blood cannot flow through them properly.
- arteriosclerotic — degenerative changes in the arteries, characterized by thickening of the vessel walls and accumulation of calcium with consequent loss of elasticity and lessened blood flow.
- as right as rain — If you say that someone is as right as rain, you mean that they are completely well or healthy again, for example when they have recovered from an illness or a shock.
- assistant priest — a person who assists a priest in their work or who is not yet fully qualified as a priest
- astroengineering — (scifi) The construction of megastructures in space by technologically advanced beings.
- at-risk register — an official list of people or things considered to be exposed to possible threat, such as children in potentially abusive households or historic buildings in need of maintenance
- atmospheric tide — a movement of atmospheric masses caused by the gravitational attraction of the sun and moon and by daily solar heating.
- atrioventricular — of, relating to, or affecting both the atria and the ventricles of the heart
- attributive noun — a noun that occurs before and modifies another noun, as toy in toy store or tour in tour group.
- austro-hungarian — of or relating to the Dual Monarchy of Austria-Hungary (1867–1918)
- authoritarianism — Authoritarianism is the state of being authoritarian or the belief that people with power, especially the State, have the right to control other people's actions.
- authority figure — a person whose real or apparent authority over others inspires or demands obedience and emulation: Parents, teachers, and police officers are traditional authority figures for children.
- automatrix, inc. — (company) The company which produced CAM-PC. Address: Ballston Spa, NY, USA.
- avian diphtheria — a virus disease of chickens and other birds characterized by warty excrescences on the comb and wattles, and often by diphtherialike changes in the mucous membranes of the head.
- back-seat driver — If you refer to a passenger in a car as a back-seat driver, they annoy you because they constantly give you advice.
- bacterial canker — a disease of plants, characterized by cankers and usually by exudation of gum, caused by bacteria, as of the genera Pseudomonas and Corynebacterium.
- bacterioplankton — (biology) The bacterial component of marine plankton.
- balearic islands — a group of islands in the W Mediterranean, consisting of Majorca, Minorca, Ibiza, Formentera, Cabrera, and 11 islets: a province of Spain. Capital: Palma, on Majorca. Pop: 1 071 500 (2003 est). Area: 5012 sq km (1935 sq miles)
- baltimore oriole — a North American oriole, Icterus galbula, the male of which has orange and black plumage
- barbed tributary — a tributary that joins its mainstream in an upstream direction rather than in the more common downstream direction.
- barium carbonate — a white, poisonous, water-insoluble powder, BaCO 3 , used chiefly in the manufacture of rodenticides, paints, and dyes.
- barium hydroxide — a white poisonous crystalline solid, used in the manufacture of organic compounds and in the preparation of beet sugar. Formula: Ba(OH)2
- barometric error — error of a timepiece due to the fluctuations in density of the atmosphere through which the balance or pendulum moves.
- barrier of ideas — the representations of objects which certain accounts of perception interpose between the objects themselves and our awareness of them, so that, as critics argue, we can never know whether there is in reality anything which resembles our perceptions
- basic curriculum — in England and Wales, the National Curriculum plus religious education
- bastard culverin — a 16th-century cannon, smaller than a culverin, firing a shot of between 5 and 8 pounds (11 and 17.6 kg).
- bearing pedestal — an independent support for a bearing, usually incorporating a bearing housing
- bearish tendency — a tendency for share prices to fall
- benzotrichloride — a colorless or yellowish liquid, C 7 H 5 Cl 3 , used chiefly in the manufacture of dyes.
- benzotrifluoride — a colorless, flammable liquid, C 7 H 5 F 3 , used chiefly as an intermediate in the manufacture of dyes and pharmaceuticals, and as a solvent.
- bermuda triangle — an area in the Atlantic Ocean bounded by Bermuda, Puerto Rico, and Florida where ships and aeroplanes are alleged to have disappeared mysteriously
- bihar and orissa — a former province of NE India: now divided into the states of Bihar and Odisha (formerly Orissa).
- bimetallic strip — a strip consisting of two metals of different coefficients of expansion welded together so that it buckles on heating: used in thermostats, etc
- biodeterioration — biodegradation.
- biometric device — biometrics
- bismarck herring — marinaded herring, served cold
- bitter principle — any of various bitter-tasting substances, such as aloin, usually extracted from plants
- bitterroot river — a river in SW Montana, flowing N to the Clark Fork River. 120 miles (193 km) long.
- blue-ribbon jury — a jury composed of persons having more than ordinary education and presumably exceptional intelligence and perceptiveness, selected by the court on the motion of plaintiff or defendant to try cases of unusual complexity or importance.
- bomb calorimeter — a device for determining heats of combustion by igniting a sample in a high pressure of oxygen in a sealed vessel and measuring the resulting rise in temperature: used for measuring the calorific value of foods
- bonhomme richard — the flagship of John Paul Jones.
- bragg scattering — the diffraction phenomenon exhibited by a crystal bombarded with x-rays in such a way that each plane of the crystal lattice acts as a reflector (Bragg reflector)
- bren gun carrier — (esp in World War II) a small armoured vehicle equipped with a Bren gun
- brick-and-mortar — pertaining to conventional stores, businesses, etc., having physical buildings and facilities, as opposed to Internet or remote services.