15-letter words containing a, b, o, m
- binomial series — an infinite series obtained by expanding a binomial raised to a power that is not a positive integer.
- bioaccumulation — the process in which industrial waste, toxic chemicals, etc. gradually accumulate in living tissue
- biomathematical — relating to biomathematics
- biomechanically — from a biomechanical point of view
- bit-mapped font — a computer font whose characters are held in memory as series of dots.
- bituminous coal — a soft black coal, rich in volatile hydrocarbons, that burns with a smoky yellow flame. Fixed carbon content: 46–86 per cent; calorific value: 1.93 × 107 – 3.63 × 107 J/kg
- black guillemot — a common guillemot, Cepphus grylle: its summer plumage is black with white wing patches and its winter plumage white with greyish wings
- black mountains — a mountain range running from N Monmouthshire and SE Powys (Wales) to SW Herefordshire (England). Highest peak: Waun Fach, 811 m (2660 ft)
- bladder campion — a European caryophyllaceous plant, Silene vulgaris, having white flowers with an inflated calyx
- blasphemousness — the quality of being blasphemous
- blenheim orange — a type of apple tree bearing gold-coloured apples
- blueback salmon — sockeye salmon.
- body mass index — A person's body mass index is a measurement that represents the relationship between their weight and their height.
- 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)
- bookmaking firm — an organization that accepts bets from gamblers and pays out winnings
- boston marriage — (especially in 19th-century New England) an intimate friendship between two women often maintaining a household together.
- boston massacre — an outbreak (1770) in Boston against British troops, in which a few citizens were killed
- bouillotte lamp — a table lamp of the 18th century, having two or three adjustable candle brackets and a common shade sliding on a central shaft.
- bowel complaint — bowel disease or condition
- box the compass — to name the compass points in order
- brachystomatous — having a short proboscis, as certain insects.
- 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.
- broadcast storm — (networking) A broadcast on a network that causes multiple hosts to respond by broadcasting themselves, causing the storm to grow exponentially in severity. See network meltdown.
- brompheniramine — a substance, C 16 H 19 BrN 2 , used as an antihistamine in the management of various allergies, as hay fever.
- brother-in-arms — a fellow soldier or comrade in a shared struggle
- brown-tail moth — a white moth, Nygmia phaerrhoea, having a brown tuft at the end of the abdomen, the larvae of which feed on the foliage of various shade and fruit trees.
- brownian motion — the irregular motion of small particles suspended in a liquid or a gas, caused by the bombardment of the particles by molecules of the medium: first observed by Robert Brown in 1827.
- bulimia nervosa — a disorder characterized by compulsive overeating followed by vomiting: sometimes associated with anxiety about gaining weight
- bureau of mines — a division of the Department of the Interior, created in 1910, that studies the nation's mineral resources and inspects mines.
- button mangrove — a tropical tree, Conocarpus erectus, having small, reddish, conelike fruits and bark used in tanning.
- calcium blocker — any of a group of drugs that prevent the influx of calcium into excitable tissues such as smooth muscle of the heart or arterioles, used in the treatment of angina, hypertension, and certain arrhythmias.
- camelot library — (library)
- campaign button — a disk-shaped pin worn by a supporter of a political candidate, usually bearing the name of the candidate and often a slogan or the candidate's picture.
- campaign ribbon — a distinctively colored ribbon, either on a small, narrow bar or in the form of a strip, representing a military campaign participated in by the wearer.
- carbon monoxide — Carbon monoxide is a poisonous gas that is produced especially by the engines of vehicles.
- catchment board — a public body concerned with the conservation and organization of water supply from a catchment area
- chamber concert — a concert of chamber music
- chamber counsel — a counsel who advises in private and does not plead in court
- charles coulomb — Charles Augustin de [sharl oh-gy-stan duh] /ʃarl oʊ güˈstɛ̃ də/ (Show IPA), 1736–1806, French physicist and inventor.
- chromosome band — any of the transverse bands that appear on a chromosome after staining. The banding pattern is unique to each type of chromosome, allowing characterization
- circumambagious — in a round-about manner
- climb indicator — an instrument that shows the rate of ascent or descent of an aircraft, operating on a differential pressure principle.
- combat fatigues — the uniform worn by soldiers when fighting
- combat neurosis — battle fatigue.
- combat trousers — Combat trousers are large, loose trousers with lots of pockets.
- combinatorially — in a combinatorial manner
- comfort blanket — a blanket that a young child is very attached to
- comfortableness — (of clothing, furniture, etc.) producing or affording physical comfort, support, or ease: a comfortable chair; comfortable shoes.
- comfortably off — If someone is comfortably off, they have enough money to be able to live without financial problems.