16-letter words containing or
- boreal chickadee — a brown-capped, black-throated chickadee (Parus hudsonicus) found near the Atlantic coast from Labrador to N New York
- bornholm disease — an epidemic virus infection characterized by pain round the base of the chest
- borosilicic acid — any of several hypothetical acids that form borosilicates.
- bracknell forest — a unitary authority in SE England, in E Berkshire. Pop: 110 100 (2003 est). Area: 109 sq km (42 sq miles)
- brake horsepower — the rate at which an engine does work, expressed in horsepower. It is measured by the resistance of an applied brake
- break one's word — to fail to keep one's promise
- break the record — surpass previous highest, best
- brick-and-mortar — pertaining to conventional stores, businesses, etc., having physical buildings and facilities, as opposed to Internet or remote services.
- 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.
- bullock's oriole — a common oriole, Icterus galbula bullockii, of western North America: a subspecies of the northern oriole.
- burnt-tip orchid — a small orchid, Orchis ustulata, resembling the lady orchid, having dark reddish-brown hoods that give a burnt look to the tip of the flower spike
- butterfly orchid — an orchid (Oncidium papilio) with reddish flowers, native to South America
- by hook or crook — by any means
- by word of mouth — orally rather than by written means
- bypass capacitor — a capacitor which provides a low-impedance path for alternating current while not passing any direct current
- 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
- calcium fluoride — a white, crystalline compound, CaF 2 , insoluble in water, occurring in nature as the mineral fluorite: used as a flux in metallurgy and as a decay preventive in dentifrices.
- california poppy — a papaveraceous plant, Eschscholtzia californica, of the Pacific coast of North America, having yellow or orange flowers and finely divided bluish-green leaves
- california quail — a quail, Callipepla californica, of the western coast of the U.S., having grayish-brown plumage with black, white, and chestnut markings.
- call data record — (telecommunications) (CDR) A data record that contains information related to a telephone call, including the origination and destination addresses of the call, the time the call started and ended, the duration of the call, the time of day the call was made, toll charges that were added through the network, or charges for operator services.
- calorimetrically — In a calorimetric manner.
- 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)
- cantor's paradox — the paradox derived from the supposition of an all-inclusive universal set, since every set has more subsets than members while every subset of such a universal set would be a member of it
- 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.
- casting director — the person in charge of choosing of actors for a production
- castor-oil plant — a tall euphorbiaceous Indian plant, Ricinus communis, cultivated in tropical regions for ornament and for its poisonous seeds, from which castor oil is extracted
- category listing — A category listing is a list of different product categories such as menswear, womenswear, and childrenswear.
- category mistake — a sentence that says of something in one category what can only intelligibly be said of something in another, as when speaking of the mind located in space
- category planner — A category planner is a person whose job to plan and co-ordinate future inventory and sales volume in one or more product categories.
- cavity resonator — a conducting surface enclosing a space in which an oscillating electromagnetic field can be maintained, the dimensions of the cavity determining the resonant frequency of the oscillations. It is used in microwave devices for frequencies exceeding 300 megahertz
- chancellorsville — hamlet in NE Va. (now called Chancellor): site of a Civil War battle (May, 1863) won by Confederate forces
- chatsworth house — a mansion near Bakewell in Derbyshire: seat of the Dukes of Devonshire; built (1687–1707) in the classical style
- chattel mortgage — a mortgage on movable personal property
- chemoreceptivity — The ability of a sense organ to respond to a chemical stimulus.
- childcare worker — someone who takes care of children in return for money
- chloracetic acid — chloroacetic acid.
- chlordiazepoxide — a chemical compound used as a tranquillizer and muscle relaxant and in the treatment of delirium tremens. Formula: C16H14ClN3O
- chloride of lime — a white powder with the approximate formula CaOCl2, obtained by treating slaked lime with chlorine and used for disinfecting and bleaching
- chlorinated lime — bleaching powder.
- chlorine dioxide — a compound used to bleach wood pulp
- chlorogenic acid — a colorless crystalline acid, C 16 H 18 O 9 , that is important in plant metabolism and is purportedly responsible for the browning or blackening of cut apples, potatoes, and other fruits and vegetables.
- chlorophenol red — an acid-base indicator, C 19 H 12 Cl 2 O 5 S, that changes color from yellow to red as the acidity of a solution decreases.
- chlorophenothane — DDT.
- chlorpheniramine — an antihistaminic compound, C 20 H 23 ClN 2 O 4 , used in treating the symptoms of allergies.
- chorioamnionitis — Inflammation of the fetal membranes (amnion and chorion) due to a bacterial infection, most often associated with prolonged labour.
- choriomeningitis — (medicine) A form of cerebral meningitis associated with inflammation of the choroid plexus.
- chorionic villus — one of the branching outgrowths of the chorion that, together with maternal tissue, form the placenta.
- christmas factor — a protein implicated in the process of blood clotting, the lack of which causes Christmas disease
- 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.