16-letter words containing a, n, u, l, r
- bastard culverin — a 16th-century cannon, smaller than a culverin, firing a shot of between 5 and 8 pounds (11 and 17.6 kg).
- behavioural sink — a small area in which people or animals live in overcrowded conditions
- belgian tervuren — one of a Belgian breed of medium-sized dogs having a long, straight coat, fawn to mahogany in color, differing from the Belgian sheepdog only in color.
- benguela current — a strong ocean current in the South Atlantic, flowing northward along the SW coast of Africa
- bermuda triangle — an area in the Atlantic Ocean bounded by Bermuda, Puerto Rico, and Florida where ships and aeroplanes are alleged to have disappeared mysteriously
- bertrand russell — (person) (1872-1970) A British mathematician, the discoverer of Russell's paradox.
- binocular fusion — fusion (def 5a).
- binocular-fusion — the act or process of fusing; the state of being fused.
- binuclear family — a social unit composed of an extended family, usually the children and subsequent spouses of divorced parents.
- blind man's rule — a carpenter's rule having large numbers to permit its reading in dim light.
- blue dawn-flower — a tropical American vine, Ipomoea acuminata, of the morning glory family, having large, funnel-shaped flowers that turn from blue to pink.
- blue-green algae — any of a division (Cyanophycota) of photosynthetic monerans, microorganisms that contain a blue pigment which obscures the chlorophyll; cyanobacteria
- bluegrass region — a region in central Kentucky, famous for its horse farms and fields of bluegrass.
- breeding plumage — the plumage assumed by a male bird during the courtship period, especially in those species that are more colorful at this period.
- 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.
- bullet-resistant — not allowing bullets to pass through
- bundled software — software sold as part of a package with computers or other hardware or software
- bunker mentality — a defensive attitude in which others are seen as hostile or potentially hostile
- burge's language — Unnamed functional language based on lambda-calculus. Recursive Programming techniques", W.H. Burge, A-W 1975.
- calcium arsenate — a toxic, white powder, Ca3(AsO4)2, used as an insecticide in the form of a spray or dust
- california quail — a quail, Callipepla californica, of the western coast of the U.S., having grayish-brown plumage with black, white, and chestnut markings.
- canada bluegrass — a Eurasian grass, Poa compressa, naturalized in North America, having creeping rootstocks and bluish-green leaves.
- canterbury bells — a cultivated bellflower (Campanula medium) with white, pink, or blue cuplike flowers
- canterbury tales — an unfinished literary work by Chaucer, largely in verse, consisting of stories told by pilgrims on their way to the shrine of St. Thomas à Becket at Canterbury
- carbon bisulfide — carbon disulfide
- carbon disulfide — a heavy, volatile, colorless liquid, CS2, highly flammable and poisonous, used as a solvent, insecticide, etc.
- cardinal numbers — Also called cardinal numeral. any of the numbers that express amount, as one, two, three, etc. (distinguished from ordinal number).
- cardinal virtues — the most important moral qualities, traditionally justice, prudence, temperance, and fortitude
- caricature plant — a tropical Old World shrub, Graptophyllum pictum, of the acanthus family, characterized by purple or red tubular flowers and leaf markings resembling the profile of a human face.
- carolus linnaeus — Carolus [kar-uh-luh s] /ˈkær ə ləs/ (Show IPA), (Carl von Linné) 1707–78, Swedish botanist.
- carry-on luggage — luggage that is taken inside an aircraft by hand personally by a passenger
- cedar revolution — the popular protests in 2005 that brought down the Lebanese cabinet and prompted Syria to withdraw its troops from Lebanon
- central european — involving or denoting the people, countries, cultures, or languages of Central Europe
- centrifugal pump — a pump having a high-speed rotating impeller whose blades throw the water outwards
- cerulean warbler — a North American wood warbler, Dendroica cerulea, the male of which is blue above and white below.
- chalon-sur-saône — an industrial city in E central France, on the Saône River. Pop: 50 124 (1999)
- charles coughlin — Charles Edward ("Father Coughlin") 1891–1979, U.S. Roman Catholic priest, activist, radio broadcaster, and editor, born in Canada.
- chilean firebush — South American shrub with scarlet flowers
- cholera infantum — an often fatal form of gastroenteritis occurring in infants, not of the same cause as cholera but having somewhat similar characteristics.
- chromium plating — plating, often for decorative effect, made of chromium
- 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)
- circuit analyzer — multimeter.
- circular sailing — a method of navigation in which the curvature of the earth is taken into consideration.
- circumambulating — Present participle of circumambulate.
- circumambulation — The act of walking around something in a circle, especially for a ritual purpose.
- circumlocutional — Of or relating to circumlocution : circumlocutionary.
- circumstantially — of pertaining to, or derived from circumstances: a circumstantial result.
- class background — a person's background with reference to social class
- cleaning product — a detergent or other household cleaner
- clearance volume — The clearance volume is the volume remaining above the piston of an engine when it reaches top dead center.