12-letter words containing ri
- beer drinker — a person who drinks beer
- beetle drive — a social occasion at which a progressive series of games of beetle is played
- behaviourism — Behaviourism is the belief held by some psychologists that the only valid method of studying the psychology of people or animals is to observe how they behave.
- beleaguering — to surround with military forces.
- bendix drive — A Bendix drive is a drive consisting of a pinion wheel (= a gear with a small number of teeth) carried on a shaft. The shaft rotates, causing the pinion to move.
- benzene ring — the hexagonal ring of bonded carbon atoms in the benzene molecule or its derivatives
- benzonitrile — a clear, colorless, viscous, poisonous liquid, C 7 H 5 N, used chiefly as an intermediate in organic synthesis.
- beta orionis — Rigel
- beyond price — invaluable or priceless
- biauriculate — having two auricles or earlike parts
- bichon frise — a small white poodle-like dog of European origin, with a silky, loosely curling coat
- binocularity — binocular characteristics
- bio-security — the precautions taken to protect against the spread of lethal or harmful organisms and diseases
- biometrician — a person who is knowledgeable about biometry
- bioterrorism — Bioterrorism is terrorism that involves the use of biological weapons.
- black africa — Black Africa is the part of Africa to the south of the Sahara Desert.
- black friday — the day after the US Thanksgiving Day in late November, regarded as the start of the Christmas shopping season
- black prince — Edward2 (Prince of Wales)
- blisteringly — causing a blister or blisters.
- blitzkrieged — blitz (defs 1, 2, 5).
- blue springs — a town in W Missouri.
- blue vitriol — the fully hydrated blue crystalline form of copper sulphate
- blueprinting — a process of photographic printing, used chiefly in copying architectural and mechanical drawings, which produces a white line on a blue background.
- boating trip — a trip or holiday in a boat such as a sailing boat or canal boat
- bolt upright — If someone is sitting or standing bolt upright, they are sitting or standing very straight.
- boolean ring — a nonempty collection of sets having the properties that the union of two sets of the collection is a set in the collection and that the relative complement of each set with respect to any other set is in the collection.
- bosom friend — an intimate friend
- boulangerite — a bluish lead-gray mineral, lead antimony sulfide, Pb 5 Sb 4 S 11 , a minor ore of lead.
- bouleuterion — a council chamber in ancient Greece.
- bowdlerizing — to expurgate (a written work) by removing or modifying passages considered vulgar or objectionable.
- breast drill — a geared drill that can be braced against the chest for additional leverage.
- breckinridge — John Cabell1821-75; vice president of the U.S. (1857-61); Confederate general
- brick cheese — a ripened, semisoft American cheese shaped like a brick and containing many small holes
- brick veneer — (in Australia) a timber-framed house with a brick exterior
- brickfielder — a hot wind in parts of Australia, originally applied to a wind which blew over Sydney carrying dust from the neighbouring Brickfields sand hills
- bridal party — the people who accompany the bride as she comes to her wedding
- bridal suite — a room or set of rooms in a hotel for newly married couples
- bridge a gap — to remedy a deficiency
- bridge chair — a lightweight folding chair, often part of a set of matching chairs and bridge table.
- bridge cloth — a tablecloth for a bridge table.
- bridge house — a deckhouse including a bridge or bridges for navigation.
- bridge party — a gathering for the purpose of playing bridge
- bridge table — a square card table with folding legs.
- bridle joint — a heading joint in which the end of one member, notched to form two parallel tenons, is fitted into two gains cut into the edges of a second member.
- brigham city — a city in N Utah.
- bright spark — If you say that some bright spark had a particular idea or did something, you mean that their idea or action was clever, or that it seemed clever but was silly in some way.
- bright-field — of or relating to the illuminated region about the object of a microscope.
- brilliantine — a perfumed oil used to make the hair smooth and shiny
- brine shrimp — any of a genus (Artemia) of small fairy shrimp found in salt lakes and marshes and used as living, frozen, or dried food in aquariums
- brinell test — a test for determining the relative hardness (Brinell hardness) of a metal by measuring the diameter of the indentation made when a hardened steel ball is forced into the metal under a given pressure: the measure of hardness (Brinell number) is equal to the load in kilograms divided by the surface area in square millimeters of the indentation