12-letter words containing c, r, o, i
- atomic power — nuclear power.
- au contraire — on the contrary
- auction room — a room in a building where auctions take place
- auctioneered — Simple past tense and past participle of auctioneer.
- autocratical — Autocratic.
- autocritique — the examination of factors guiding one's thoughts, beliefs and actions; self-criticism
- autoinjector — A medical device designed to deliver a single dose of a particular, typically life-saving, drug.
- autoreactive — (immunology, medicine) Acting against the organism by which it was produced.
- autorhythmic — That generates its own rhythm.
- autorickshaw — (in India) a light three-wheeled vehicle driven by a motorcycle engine
- avariciously — characterized by avarice; greedy; covetous.
- azithromycin — A macrolide antibiotic derived from erythromycin.
- bachelorship — the state of being a bachelor; bachelorhood
- backcrossing — (genetics) The crossing of a hybrid with one of its parents or an individual genetically similar to its parent.
- bacon-slicer — a machine for cutting bacon into slices
- bacteriocide — Alternative form of bactericide.
- bacteriology — Bacteriology is the science and the study of bacteria.
- bacteriostat — any substance that arrests the growth or reproduction of bacteria but does not kill them
- barcoo river — a river in E central Australia, in SW Queensland: joins with the Thomson River to form Cooper Creek
- barodynamics — the branch of mechanics concerned with heavy structures
- barometrical — (archaic) Relating to, or observed with, a barometer, barometric.
- basidiocarps — Plural form of basidiocarp.
- bathochromic — denoting or relating to a shift to a longer wavelength in the absorption spectrum of a compound
- beyond price — invaluable or priceless
- bichon frise — a small white poodle-like dog of European origin, with a silky, loosely curling coat
- bicollateral — (of a vascular bundle) having two phloem groups to the inside and outside, respectively, of the xylem
- bimorph cell — a piezoelectric transducer consisting of two crystals cemented together, used in microphones, headphones, loudspeakers, etc. to convert vibrations into a voltage output or to convert a signal voltage into vibrations that can produce audible sounds
- binary color — secondary color.
- bingo caller — the person who shouts out the numbers to bingo players
- binocularity — binocular characteristics
- bio-security — the precautions taken to protect against the spread of lethal or harmful organisms and diseases
- biochemistry — Biochemistry is the study of the chemical processes that happen in living things.
- biocorrosion — corrosion caused by or enhanced by bacteria or other microorganisms; biologically induced corrosion.
- biographical — Biographical facts, notes, or details are concerned with the events in someone's life.
- bioinorganic — pertaining to the biological activity of metal complexes and nonmetal compounds based on elements other than carbon (contrasted with bioorganic).
- biometrician — a person who is knowledgeable about biometry
- biomolecular — relating to a biomolecule
- biorhythmics — the study of biorhythms
- bird colonel — a full colonel in the US Army
- black heroin — a very potent and addictive form of heroin that is dark-colored.
- black liquor — (in making wood pulp for paper) the liquor that remains after digestion.
- blind corner — a corner where the view of the road ahead is completely obscured or very restricted
- bookcrossing — the practice of deliberately leaving books in places where they will be found and read by other people
- booze cruise — a day trip to a foreign country, esp from England across the English Channel to France, for the purposes of buying cheap alcohol, cigarettes, etc
- borosilicate — a salt of boric and silicic acids
- bossier city — city in NW La., on the Red River opposite Shreveport: pop. 56,000
- boucherville — a town in S Quebec, in E Canada, near Montreal, on the St. Lawrence.
- braggadocios — empty boasting; bragging.
- branch point — Electricity. a point in an electric network at which three or more conductors meet.
- bridge cloth — a tablecloth for a bridge table.