15-letter words containing o, h, a, r
- 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.
- automata theory — the formal study of the power of computation of abstract machines
- 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.
- bad housekeeper — a person who is not an efficient and thrifty domestic manager
- 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)
- barothermograph — an automatic instrument for recording pressure and temperature.
- bathroom scales — scales typically kept in a bathroom for people to weigh themselves
- bathythermogram — a record made by a bathythermograph.
- beach goldenrod — a composite plant, Solidago sempervirens, of eastern and southern North America, having a thick stem and large, branched, one-sided terminal clusters of yellow flowers, flourishing on sea beaches or salt marshes.
- beet leafhopper — a small leafhopper (Circulifer tenellus) that transmits a very destructive virus to sugar beets
- before the fact — before the commission of the offence
- before the mast — as an apprentice seaman
- 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
- black horehound — a hairy unpleasant-smelling chiefly Mediterranean plant, Ballota nigra, having clusters of purple flowers: family Lamiaceae (labiates)
- blenheim orange — a type of apple tree bearing gold-coloured apples
- board of health — an agency with responsibility for health in state, country, etc
- 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
- brachystomatous — having a short proboscis, as certain insects.
- branchial pouch — one of a series of rudimentary outcroppings of the inner pharyngeal wall, corresponding to the branchial grooves on the surface.
- branchiostegous — branchiostegal.
- breach of faith — a violation of good faith, confidence, or trust; betrayal: To abandon your friends now would be a breach of faith.
- breach of trust — a violation of duty by a trustee or any other person in a fiduciary position
- bread and honey — money
- break the mould — If you say that someone breaks the mould, you mean that they do completely different things from what has been done before or from what is usually done.
- breaking plough — a plough with a long shallow mouldboard for turning virgin land or sod land
- bring to a head — to bring or be brought to a crisis
- bristol channel — an inlet of the Atlantic, between S Wales and SW England, merging into the Severn estuary. Length: about 137 km (85 miles)
- bristol fashion — clean and neat, with newly painted and scrubbed surfaces, brass polished, etc
- broca's aphasia — a type of aphasia caused by a lesion in Broca's area of the brain, characterized by misarticulated speech and lack of grammatical morphemes.
- brompheniramine — a substance, C 16 H 19 BrN 2 , used as an antihistamine in the management of various allergies, as hay fever.