15-letter words containing a, h, o, r, i
- aphrodite terra — a large plateau region that stretches approximately halfway around the middle latitude of Venus.
- apostle pitcher — a stoneware pitcher decorated in relief with figures of the apostles.
- apostrophically — (rhetoric) Using apostrophe; with sudden exclamatory dialogue.
- approach lights — lights on the runway that guide planes coming in to land
- approachability — capable of being approached; accessible.
- arc de triomphe — the triumphal arch in Paris begun by Napoleon I to commemorate his victories of 1805–6 and completed in 1836
- arch of triumph — Arc de Triomphe.
- archaeobotanist — A person engaged in archaeobotany.
- archeologically — In a archeological manner or fashion.
- archiepiscopacy — a form of church government in which power is vested in archbishops.
- archiepiscopate — the rank, office, or term of office of an archbishop
- architectonical — Alternative form of architectonic.
- asian shorthair — a generic term for a group of breeds of short-haired cat of Burmese type, including the Bombay
- asiatic cholera — cholera (def 1).
- astrophysically — from an astrophysical point of view
- astrophysicists — Plural form of astrophysicist.
- at short notice — Notice is used in expressions such as 'at short notice', 'at a moment's notice' or 'at twenty-four hours' notice', to indicate that something can or must be done within a short period of time.
- atherosclerosis — a degenerative disease of the arteries characterized by patchy thickening of the inner lining of the arterial walls, caused by deposits of fatty material; a form of arteriosclerosis
- atherosclerotic — Of, pertaining to, or afflicted with atherosclerosis.
- athletic sports — sports, esp track and field events, in which athleticism is required
- atmospherically — pertaining to, existing in, or consisting of the atmosphere: atmospheric vapors.
- authoritatively — having due authority; having the sanction or weight of authority: an authoritative opinion.
- autobiographers — Plural form of autobiographer.
- autobiographies — Plural form of autobiography.
- 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
- autoradiographs — Plural form of autoradiograph.
- 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.
- autotrophically — through an autotrophic process
- baconian theory — the theory attributing the authorship of Shakespeare's plays to Francis Bacon.
- bacterial ghost — a bacterial cell that is emptied and filled artificially with another substance
- bacteriophagous — Pertaining to the predation and consumption of bacterium.
- barbizon school — a group of French painters of landscapes of the 1840s, including Théodore Rousseau, Daubigny, Diaz, Corot, and Millet
- barcelona chair — an armless, padded leather chair on a steel frame shaped like a curved X: Barcelona is a trademark for this chair
- barium chloride — a poisonous compound, BaCl2, consisting of flat white crystals that are soluble in water: it is used to treat water, metals, leather, etc.
- barium chromate — a yellow, crystalline compound, BaCrO 4 , used as a pigment (barium yellow)
- benzal chloride — a colorless, oily liquid, C 7 H 6 Cl 2 , used chiefly in the synthesis of benzaldehyde, and in the manufacture of dyes.
- bibliographical — a complete or selective list of works compiled upon some common principle, as authorship, subject, place of publication, or printer.
- 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.
- biobibliography — a bibliography containing biographical sketches of the authors listed.
- biostratigraphy — the examination of the ages of rock strata by using fossils
- blenheim orange — a type of apple tree bearing gold-coloured apples
- boarding school — A boarding school is a school which some or all of the pupils live in during the school term. Compare day school.
- bohemia-moravia — a former German protectorate including Bohemia and Moravia, 1939–45.
- bohemian forest — a mountain range between the SW Czech Republic and SE Germany. Highest peak: Arber, 1457 m (4780 ft)
- brachiocephalic — of, relating to, or supplying the arm and head
- brachistochrone — the curve between two points through which a body moves under the force of gravity in a shorter time than for any other curve; the path of quickest descent
- branchial pouch — one of a series of rudimentary outcroppings of the inner pharyngeal wall, corresponding to the branchial grooves on the surface.
- branchiostegous — branchiostegal.