17-letter words containing a, e, r, o, m
- aurea mediocritas — the golden mean.
- avogadro's number — the constant, 6.022 × 10 23 , representing the number of atoms, molecules, or ions in one mole of a substance. Symbol: N. Compare gram-atom, gram molecule.
- baggage checkroom — a left luggage office; a place at, for example, a railway station where baggage can be left
- baltimore clipper — a small, fast American sailing vessel of the early 19th century, having a sharp hull form and two masts with a pronounced rake and carrying a brig or schooner rig.
- be your own woman — If you say that a woman is her own woman, you approve of the fact that she makes her plans and decisions herself, and does not depend on other people.
- beardmore glacier — one of the largest glaciers, in central Antarctica. About 125 miles (200 km) long.
- beat the drum for — to attempt to arouse interest in
- bellflower family — the plant family Campanulaceae, characterized by chiefly herbaceous plants having simple, alternate leaves and solitary or clustered flowers with a bell-shaped, five-lobed, often blue or purple corolla, and including the harebell, Canterbury bells, and balloon flower.
- benoit mandelbrot — (person) /ben'wa man'dl-bro/ Benoit B. Mandelbrot. The IBM scientist who wrote several original books on fractals and gave his name to the set he was discovered, the Mandelbrot set and coined the term "fractal" in 1975 from the Latin fractus or "to break".
- beyond comparison — outstanding, without equal
- biological marker — a substance, physiological characteristic, gene, etc that indicates, or may indicate, the presence of disease, a physiological abnormality or a psychological condition
- biological mother — the mother who gave birth to a child
- biopharmaceutical — of or relating to drugs produced using biotechnology
- bitter almond oil — almond oil (def 2).
- bitter-almond-oil — Also called sweet almond oil, expressed almond oil. a colorless to pale yellow fatty oil expressed from the seeds of the sweet almond, used in preparing perfumes and confections.
- blank endorsement — an endorsement on a bill of exchange, cheque, etc, naming no payee and thus making the endorsed sum payable to the bearer
- blue dog democrat — a fiscally conservative member of the Democratic Party
- board of estimate — a special organ of a municipal government, as of New York City, composed of the mayor, the president of the city council, and the controller, and charged with approving the city's budget and fiscal matters.
- board of managers — a group of people responsible for managing an organization
- bohemian brethren — a Protestant Christian sect formed in the 15th century from various Hussite groups, which rejected oaths and military service and advocated a pure and disciplined spiritual life. It was reorganized in 1722 as the Moravian Church
- bombardier beetle — any of various small carabid beetles of the genus Brachinus, esp B. crepitans of Europe, which defend themselves by ejecting a jet of volatile fluid
- bone marrow donor — a person who donates bone marrow
- brain haemorrhage — bleeding into the brain
- breach of promise — (formerly) failure to carry out one's promise to marry
- british cameroons — a former British trust territory of West Africa
- british-cameroons — German Kamerun. a region in W Africa: a German protectorate 1884–1919; divided in 1919 into British and French mandates.
- brocot escapement — a type of anchor escapement.
- bronze star medal — a U.S. military decoration awarded for heroic or meritorious achievement or service in combat not involving aerial flight
- brownian movement — random movement of microscopic particles suspended in a fluid, caused by bombardment of the particles by molecules of the fluid. First observed in 1827, it provided strong evidence in support of the kinetic theory of molecules
- bureau of customs — former name of the United States Customs Service.
- bury the tomahawk — to stop fighting; make peace
- calcium carbonate — a white crystalline salt occurring in limestone, chalk, marble, calcite, coral, and pearl: used in the production of lime and cement. Formula: CaCO3
- calcium hydroxide — a white crystalline slightly soluble alkali with many uses, esp in cement, water softening, and the neutralization of acid soils. Formula: Ca(OH)2
- california nutmeg — a tall, pungently aromatic California evergreen tree, Torreya californica, of the yew family, having a fissured, gray-brown bark and small, purple-streaked, green fruit.
- calomel electrode — a reference electrode consisting of calomel, mercury, and a solution of potassium chloride.
- camberwell carrot — a large, almost conical, marijuana cigarette
- camera-ready copy — type matter ready to be photographed for plate-making without further alteration
- carbon microphone — a microphone in which a diaphragm, vibrated by sound waves, applies a varying pressure to a container packed with carbon granules, altering the resistance of the carbon. A current flowing through the carbon is thus modulated at the frequency of the sound waves
- carboxyhemoglobin — a compound formed in the blood when carbon monoxide occupies the positions on the hemoglobin molecule normally taken by oxygen, resulting in cellular oxygen starvation
- cardiac tamponade — tamponade (def 2).
- cardiac-tamponade — Medicine/Medical. the use of a tampon, as to stop a hemorrhage.
- carolina moonseed — a twining woody vine, Cocculus carolinus, of the southeastern U.S., having inconspicuous flowers and showy, red fruit.
- cellular automata — cellular automaton
- central committee — (in Communist parties) the body responsible for party policy between meetings of the party congress: in practice, it is in charge of day-to-day operations of the party bureaucracy
- châlons-sur-marne — city in NE France, on the Marne River: scene of defeat ( a.d. 451) of Attila by the Romans: pop. 50,000
- chamber orchestra — A chamber orchestra is a small orchestra which plays classical music.
- chartered company — a company formed for the purpose of exploration and colonization
- chemical property — Chemistry. a property or characteristic of a substance that is observed during a reaction in which the chemical composition or identity of the substance is changed: Combustibility is an important chemical property to consider when choosing building materials.
- chemical reaction — a process that involves changes in the structure and energy content of atoms, molecules, or ions but not their nuclei
- chemoradiotherapy — (medicine) A combination of chemotherapy and radiotherapy used to treat some cancers.