12-letter words containing c, a, u, s
- aquaintances — Plural form of aquaintance.
- arc spectrum — a spectrum formed from the light produced by an electric arc, characteristic of the gas or vapor through which the arc passes.
- arch support — a rigid support placed inside a shoe so that its molded form fits the arch of the foot and relieves strain on the muscles of the foot while walking, standing, etc.
- arched truss — a truss having an archlike form but unlike a true arch in that it is free to move horizontally at its base, as in expanding or contracting because of temperature changes.
- archesporium — archespore.
- archosaurian — belonging to or characteristic of the archosaurs
- argillaceous — (of sedimentary rocks and deposits) composed of very fine-grained material, such as clay, shale, etc
- articulators — Plural form of articulator.
- arts council — an organization that provides funding for a variety of arts activities
- ascomycetous — belonging or pertaining to the Ascomycota.
- ash-coloured — silver-grey in colour
- assuefaction — the condition of being or becoming familiar with or used to something
- astronautics — the science and technology of space flight
- asynchronous — An asynchronous electric machine is one in which the magnetic field and the rotation are not exactly the same.
- auction sale — an instance of items being sold by auction
- auction site — a commercial website on which items are sold by internet auction
- auscultating — Present participle of auscultate.
- auscultation — the diagnostic technique in medicine of listening to the various internal sounds made by the body, usually with the aid of a stethoscope
- auspiciously — promising success; propitious; opportune; favorable: an auspicious occasion.
- autistically — in an autistic manner or the manner of a person who has autism
- autocatalyse — to cause an internal, self-produced, chemical reaction
- autochangers — Plural form of autochanger.
- autochthones — Alternative spelling of autochthons.
- autodestruct — likely to or possessing the power to destroy or obliterate itself or its possessor
- autoeciously — in an autoecious manner
- autorickshaw — (in India) a light three-wheeled vehicle driven by a motorcycle engine
- autotheistic — Self-worshiping; prideful in the extreme.
- avariciously — characterized by avarice; greedy; covetous.
- avascularity — the condition of having few blood vessels or of being without blood vessels
- aviculturist — A person who keeps and rears (breeds) birds.
- backpressure — a resistant pressure exerted by liquid or gas against the forward motion or flow of an exhaust or pipe system: Careful control of backpressure ensures an even supply of oil from the well.
- backsolution — The process or result of backsolving.
- balsamaceous — any of various fragrant exudations from certain trees, especially trees of the genus Commiphora, as balm-of-Gilead. Compare balm (def 1).
- bankruptcies — Plural form of bankruptcy.
- barbecue set — a set of tools used for barbecuing
- barge course — the overhang of the gable end of a roof
- beaumarchais — Pierre Augustin Caron de (pjɛr oɡystɛ̃ karɔ̃ də). 1732–99, French dramatist, noted for his comedies The Barber of Seville (1775) and The Marriage of Figaro (1784)
- bioacoustics — the study of animals' use of sound
- biscuit ware — unglazed earthenware
- black grouse — a large N European grouse, Lyrurus tetrix, the male of which has a bluish-black plumage and lyre-shaped tail
- black locust — Also called false acacia, yellow locust. a North American tree, Robinia pseudoacacia, of the legume family, having pinnate leaves and clusters of fragrant white flowers.
- black muslim — a member of the Black Muslims
- black spruce — a coniferous tree, Picea mariana, of the northern regions of North America, growing mostly in cold bogs and having dark green needles
- black sucker — a hog sucker, Hypentelium nigricans, of eastern U.S. streams.
- blue catfish — a large freshwater catfish, Ictalurus furcatus, that is a popular food fish in the states of the Mississippi River valley.
- bombacaceous — of, relating to, or belonging to the Bombacaceae, a family of tropical trees, including the kapok tree and baobab, that have very thick stems, often with water-storing tissue
- bounce flash — a flash lamp designed to produce a bounced flash.
- brachycerous — (of insects) having short antennae
- braunschweig — Brunswick
- buccaneerish — of or relating to a buccaneer