16-letter words containing m, a, h, r
- bathroom cabinet — a wall-mounted cabinet in a bathroom, typically with a mirror front and used for the storage of medicines and toiletries
- bathythermograph — a device for measuring the temperature of the ocean at any specific depth down to c. 1,800 m (c. 5,900 ft)
- be on the market — to be offered for sale
- binomial theorem — a mathematical theorem that gives the expansion of any binomial raised to a positive integral power, n. It contains n + 1 terms: (x + a)n = xn + nxn–1a + [n(n–1)/2] xn–2a2 +…+ (nk) xn–kak + … + an, where (nk) = n!/(n–k)!k!, the number of combinations of k items selected from n
- birthwort family — the plant family Aristolochiaceae, typified by mostly tropical woody vines and herbaceous plants, having alternate, heart-shaped leaves and flowers lacking true petals but having three petallike sepals, and including the birthwort, Dutchman's-pipe, and wild ginger.
- bismarck herring — marinaded herring, served cold
- bonhomme richard — the flagship of John Paul Jones.
- bornholm disease — an epidemic virus infection characterized by pain round the base of the chest
- british columbia — a province of W Canada, on the Pacific coast: largely mountainous with extensive forests, rich mineral resources, and important fisheries. Capital: Victoria. Pop: 4 400 057 (2011 est). Area: 930 532 sq km (359 279 sq miles)
- bronchial asthma — asthma.
- bronchopneumonia — inflammation of the lungs, originating in the bronchioles
- buckthorn family — the plant family Rhamnaceae, characterized by shrubs and trees having alternate, simple leaves, clusters of small flowers, and fruit in the form of a drupe or capsule, and including the buckthorn, cascara, and New Jersey tea.
- buoyancy chamber — an enclosed section of a canoe, float, ship or other object that contains air, foam, or another buoyant substance in order to help maintain buoyancy
- burkitt lymphoma — a rare type of tumour of the white blood cells, occurring mainly in Africa and associated with infection by Epstein-Barr virus
- calcium chloride — a white deliquescent salt occurring naturally in seawater and used in the de-icing of roads and as a drying agent. Formula: CaCl2
- camborne-redruth — a former (until 1974) urban district in SW England, in Cornwall: formed in 1934 by the amalgamation of the neighbouring towns of Camborne and Redruth. Pop: 39 936 (2001)
- cardiotachometer — a device for counting heartbeats, usually displaying the number of beats per minute
- carnot's theorem — the principle that no engine operating between two given temperatures can be more efficient than a Carnot engine operating between the same temperatures.
- chamber of trade — a national organization representing local chambers of commerce
- chance one's arm — to attempt to do something although the chance of success may be slight
- character armour — the defence an individual exhibits to others and to himself or herself to disguise his or her underlying weaknesses: a term coined by William Reich
- character comedy — comedy, or a comedy, in which the main source of humour is in the character of the people represented in it
- charge to a room — If you charge an item or expense to a room at a hotel, you add it to a guest's final bill so they can pay for it when they check out of the room.
- charlotte amalie — the capital of the Virgin Islands of the United States, a port on St Thomas Island. Pop: 18 914 (2000)
- charmed particle — See at charmed (def 2).
- chattel mortgage — a mortgage on movable personal property
- chemical warfare — warfare in which chemicals other than explosives are used as weapons, esp warfare using asphyxiating or nerve gases, poisons, defoliants, etc
- chemoautotrophic — producing organic matter by the use of energy obtained by oxidation of certain chemicals with carbon dioxide as the carbon source
- chemoprophylaxis — the prevention of disease using chemical drugs
- chemotherapeutic — of or used in chemotherapy
- chlorinated lime — bleaching powder.
- chlorpheniramine — an antihistaminic compound, C 20 H 23 ClN 2 O 4 , used in treating the symptoms of allergies.
- cholera infantum — an often fatal form of gastroenteritis occurring in infants, not of the same cause as cholera but having somewhat similar characteristics.
- cholesterolaemia — the presence of abnormally high levels of cholesterol in the blood
- chorioamnionitis — Inflammation of the fetal membranes (amnion and chorion) due to a bacterial infection, most often associated with prolonged labour.
- christmas beetle — any of various greenish-gold Australian scarab beetles of the genus Anoplognathus, which are common in summer
- christmas cactus — a Brazilian cactus, Schlumbergera (formerly Zygocactus) truncatus, widely cultivated as an ornamental for its showy red flowers
- christmas dinner — the main meal on Christmas day, eaten any time in the afternoon or evening
- christmas factor — a protein implicated in the process of blood clotting, the lack of which causes Christmas disease
- christmas hamper — a collection of seasonal delicacies, often housed in a wicker hamper, which people or organizations give as Christmas presents
- christmas island — an island in the Indian Ocean, south of Java: administered by Singapore (1900–58), now by Australia; phosphate mining. Pop: 1496 (2013 est). Area: 135 sq km (52 sq miles)
- christmas lights — strings of lights put up in the Christmas period to decorate houses
- chromatic number — (mathematics) The smallest number of colours necessary to colour the nodes of a graph so that no two adjacent nodes have the same colour. See also: four colour map theorem.
- chromatographies — Plural form of chromatography.
- chromium plating — plating, often for decorative effect, made of chromium
- chromolithograph — a picture produced by chromolithography
- chronic glaucoma — Ophthalmology. abnormally high fluid pressure in the eye, most commonly caused either by blockage of the channel through which aqueous humor drains (open-angle glaucoma or chronic glaucoma) or by pressure of the iris against the lens, which traps the aqueous humor (angle-closure glaucoma or acute glaucoma)
- churidar pyjamas — long tight-fitting trousers, worn by Indian men and women
- clackmannanshire — a council area and historical county of central Scotland; became part of the Central region in 1975 but reinstated as an independent unitary authority in 1996; mainly agricultural. Administrative centre: Alloa. Pop: 47 680 (2003 est). Area: 142 sq km (55 sq miles)
- cochlear implant — a device that stimulates the acoustic nerve in the inner ear in order to produce some form of hearing in people who are deaf from inner ear disease