15-letter words containing y, t, r, i
- atlantic ridley — ridley (def 1).
- atlantic-ridley — ridley (def 1).
- atmospherically — pertaining to, existing in, or consisting of the atmosphere: atmospheric vapors.
- attitude survey — a survey of the opinions held by a particular group of people
- austria-hungary — the Dual Monarchy established in 1867, consisting of what are now Austria, Hungary, the Czech Republic, Slovakia, Slovenia, Croatia, and Bosnia-Herzegovina, and parts of Poland, Romania, Ukraine, and Italy. The empire was broken up after World War I
- authoritatively — having due authority; having the sanction or weight of authority: an authoritative opinion.
- autolithography — a lithographic technique by which the artist draws or traces with a brush and pen directly on a stone or plate.
- automorphically — in an automorphic manner
- autoradiography — the technique or process of making autoradiographs.
- autorhythmicity — The quality of being autorhythmic, or generating its own rhythm, as for example the cells of the cardiac muscle do.
- autotetraploidy — the generation of the tetraploid state, created by the fusing of two nuclei from the same species
- autotrophically — through an autotrophic process
- auxiliary rotor — the tail rotor of a helicopter, used for directional and rotary control
- baconian theory — the theory attributing the authorship of Shakespeare's plays to Francis Bacon.
- barry mountains — a mountain range in SE Australia, in E Victoria: part of the Australian Alps
- barycentrically — In a barycentric manner.
- bathymetrically — In a bathymetric way.
- battery farming — the activity of using batteries for raising poultry
- battleship gray — a subdued bluish gray.
- bias (ply) tire — a motor vehicle tire having a foundation of plies of rubberized cords in a crisscross pattern of lines diagonal to the center line of the tread
- bicycle touring — the activity of touring on a bicycle
- bidirectionally — in a bidirectional manner
- big bang theory — In astronomy the big bang theory is a theory that suggests that the universe was created as a result of an extremely large explosion.
- binary notation — a number system having a base of two, numbers being expressed by sequences of the digits 0 and 1: used in computing, as 0 and 1 can be represented electrically as off and on
- biogeochemistry — the science of biological, chemical, and geological aspects of the environment
- biostratigraphy — the examination of the ages of rock strata by using fossils
- blessed trinity — Trinity (def 1).
- body toning bar — a weighted exercise bar made of steel encased in a layer of foam, used for toning and strength training.
- british library — the British national library, formed in 1973 from the British Museum library and other national collections: housed mainly in the British Museum until 1997 when a purpose-built library in St Pancras, London, was completed
- britneyfication — the effect on clothes and fashions of following the revealing styles favoured by the US pop singer Britney Spears (born 1981)
- buryat republic — a constituent republic of SE central Russia, on Lake Baikal: mountainous, with forests covering over half the total area. Capital: Ulan-Ude. Pop: 981 000 (2002). Area: 351 300 sq km (135 608 sq miles)
- butterfly chair — a lightweight chair consisting of a piece of canvas, leather, etc. slung from a framework of metal bars
- cadmean victory — a victory won with great losses to the victors
- cafeteria-style — set up to allow a variety of choices.
- calcined baryta — baryta (def 1).
- calcined-baryta — Also called calcined baryta, barium oxide, barium monoxide, barium protoxide. a white or yellowish-white poisonous solid, BaO, highly reactive with water: used chiefly as a dehydrating agent and in the manufacture of glass.
- camelot library — (library)
- canning factory — a building or group of buildings containing a plant assembly where food is sealed in cans or tins to preserve it
- carcinogenicity — any substance or agent that tends to produce a cancer.
- cardinal system — a system of coding navigational aids by shape, color, and number, according to their positions relative to navigational hazards.
- category killer — a person, product, or business that dominates a particular market
- centrosymmetric — having symmetry with a central point
- charismatically — In a charismatic way.
- charlatanically — In a charlatanic manner.
- charles tiffany — Charles Lewis, 1812–1902, U.S. jeweler.
- chartophylacium — (in a medieval church) a place for the keeping of records and documents.
- chateau-thierry — a town in N central France, on the River Marne: scene of the second battle of the Marne (1918) during World War I. Pop: 14 967 (1999)
- chemopsychiatry — the study and application of chemical substances in psychiatry
- chief secretary — (in Britain) the second most senior Treasury post, after the Chancellor of the Exchequer
- chiropterophily — Pollination by bats.