16-letter words containing om
- basement complex — the undifferentiated assemblage of rock (basement rock) underlying the oldest stratified rocks in any region: usually crystalline, metamorphosed, and mostly, but not necessarily, Precambrian in age.
- basic dichromate — an orange-red, amorphous, water-insoluble powder, Bi 2 O 3 ⋅2CrO 3 , used chiefly as a pigment in paints.
- bathroom cabinet — a wall-mounted cabinet in a bathroom, typically with a mirror front and used for the storage of medicines and toiletries
- bed-sitting room — a combined bedroom and sitting room serving as a one-room apartment
- beefsteak tomato — a very large fleshy variety of tomato
- 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
- biocompatibility — the capability of coexistence with living tissues or organisms without causing harm: Artificial joint adhesives must have biocompatibility with bone and muscle.
- biomagnification — biological magnification.
- biometeorologist — the scientific study of the effects of natural or artificial atmospheric conditions, as temperature and humidity, on living organisms.
- biometric device — biometrics
- bird of ill omen — a person who brings bad news.
- black bottom pie — a rich pie with a rum- or whiskey-flavored chocolate filling, often with a crust of crushed gingersnaps, and topped with whipped cream.
- blink comparator — an optical instrument used to detect small differences in two photographs of the same field or object by viewing them alternately, switching rapidly from one to the other.
- blonde bombshell — Journalists sometimes use blonde bombshell to refer to a woman with blonde hair who is very attractive.
- bloomsbury group — a group of writers, artists, and intellectuals living and working in and around Bloomsbury in London from about 1907 to 1930. Influenced by the philosophy of G. E. Moore, they included Leonard and Virginia Woolf, Clive and Vanessa Bell, Roger Fry, E. M. Forster, Lytton Strachey, Duncan Grant, and John Maynard Keynes
- bomb calorimeter — a device for determining heats of combustion by igniting a sample in a high pressure of oxygen in a sealed vessel and measuring the resulting rise in temperature: used for measuring the calorific value of foods
- bombing campaign — a concerted, intensive and prolonged bombing of a target
- bonhomme richard — the flagship of John Paul Jones.
- broadloom carpet — any carpet woven on a wide loom and not having seams, especially one wider than 54 inches (137 cm).
- brompton mixture — a mixture of narcotics, tranquilizers, and alcohol, used to kill pain for terminally ill patients
- broomrape family — the plant family Orobanchaceae, characterized by scaly, leafless herbaceous plants that are parasitic on the roots of other plants and have irregular flowers and many-seeded capsular fruit, and including beechdrops, broomrape, and squawroot.
- broomstick skirt — a full, gathered or pleated skirt that has characteristic tiny creases obtained by wetting the skirt and winding it around a broomstick to dry.
- burkitt lymphoma — a rare type of tumour of the white blood cells, occurring mainly in Africa and associated with infection by Epstein-Barr virus
- camomile shampoo — a liquid or cream preparation of soap or detergent with camomile extract to wash the hair
- campagna di roma — low-lying plain in central Italy, around Rome: c. 800 sq mi (2,072 sq km)
- capsizing moment — the moment of an upsetting couple.
- cardiotachometer — a device for counting heartbeats, usually displaying the number of beats per minute
- chain of command — the various individual officers, ranks etc that constitute a hierarchy each level receiving orders from the one above it and passing on the orders to the one below
- 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.
- chicken mushroom — an edible yellow-to-orange bracket fungus, Laetiporus sulphureus, common on tree trunks, in which it causes wood decay.
- chomp at the bit — champ at the bit (see phrase under champ1)
- chopped tomatoes — tomatoes cut into pieces
- choriomeningitis — (medicine) A form of cerebral meningitis associated with inflammation of the choroid plexus.
- 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.
- chromic chloride — a violet, crystalline compound, CrCl 3 , occurring in both water-soluble and water-insoluble forms, or a green or violet, water-soluble deliquescent compound, CrCl 3 ⋅6H 2 O: used chiefly as a mordant, in chrome-steel plating, and in the synthesis of chromium salts.
- chromic fluoride — a green, crystalline, water-insoluble powder, CrF 3 ⋅4H 2 O or CrF 3 ⋅9H 2 O: used chiefly in printing and dyeing woolens.
- chromium dioxide — a chemical compound used as a magnetic coating on cassette tapes; chromium(IV) oxide. Formula: CrO2
- 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)
- chytridiomycosis — An infectious disease of amphibians caused by the chytrid fungus.
- clitoridectomies — Plural form of clitoridectomy.
- cloakroom ticket — a ticket given to someone who checks a coat or other personal item into a cloakroom and which is used to redeem that item at a later period
- closed community — a plant community that does not allow for further colonization, all the available niches being occupied
- combination door — an outside door having a frame into which different types of panels can be inserted, as a screen for summer or storm sash for winter.
- combination drug — a medication comprised of set dosages of two or more separate drugs.
- combination last — a shoe last that has a narrower heel or instep than the standard last.
- combination lock — A combination lock is a lock which can only be opened by turning a dial or a number of dials according to a particular series of letters or numbers.