16-letter words containing r, o, m
- campagna di roma — low-lying plain in central Italy, around Rome: c. 800 sq mi (2,072 sq km)
- canada mayflower — a small wildflower (Maianthemum canadense) of the lily family, with white flowers and red, beadlike berries, found in the N U.S. and in Canada; bead-ruby
- cardiotachometer — a device for counting heartbeats, usually displaying the number of beats per minute
- 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.
- 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
- century meltdown — Year 2000
- chamber of trade — a national organization representing local chambers of commerce
- chance one's arm — to attempt to do something although the chance of success may be slight
- character armour — the defence an individual exhibits to others and to himself or herself to disguise his or her underlying weaknesses: a term coined by William Reich
- 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.
- charlotte amalie — the capital of the Virgin Islands of the United States, a port on St Thomas Island. Pop: 18 914 (2000)
- chattel mortgage — a mortgage on movable personal property
- chemoautotrophic — producing organic matter by the use of energy obtained by oxidation of certain chemicals with carbon dioxide as the carbon source
- chemoheterotroph — an organism that obtains its energy from the oxidation of organic compounds
- chemolithotrophs — Plural form of chemolithotroph.
- chemoprophylaxis — the prevention of disease using chemical drugs
- chemoreceptivity — The ability of a sense organ to respond to a chemical stimulus.
- chemotherapeutic — of or used in chemotherapy
- chicken mushroom — an edible yellow-to-orange bracket fungus, Laetiporus sulphureus, common on tree trunks, in which it causes wood decay.
- chinese primrose — any plant of the genus Primula, as P. vulgaris (English primrose) of Europe, having yellow flowers, or P. sinensis (Chinese primrose) of China, having flowers in a variety of colors. Compare primrose family.
- 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.
- chlorpheniramine — an antihistaminic compound, C 20 H 23 ClN 2 O 4 , used in treating the symptoms of allergies.
- cholera infantum — an often fatal form of gastroenteritis occurring in infants, not of the same cause as cholera but having somewhat similar characteristics.
- cholesterolaemia — the presence of abnormally high levels of cholesterol in the blood
- 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.
- christmas factor — a protein implicated in the process of blood clotting, the lack of which causes Christmas disease
- 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)
- chymotrypsinogen — the inactive precursor of chymotrypsin
- chytridiomycosis — An infectious disease of amphibians caused by the chytrid fungus.
- circumambulation — The act of walking around something in a circle, especially for a ritual purpose.
- circumlocutional — Of or relating to circumlocution : circumlocutionary.
- circumlocutorily — In a circumlocutory manner.
- circumnavigation — to sail or fly around; make the circuit of by navigation: to circumnavigate the earth.
- circumnavigatory — Pertaining to circumnavigation.
- circumscriptions — Plural form of circumscription.
- circumsporozoite — (biology, of a protein) Located on the surface of a sporozoite (and involved in host cell recognition and invasion); abbreviated as CS.
- clearance volume — The clearance volume is the volume remaining above the piston of an engine when it reaches top dead center.
- clermont-ferrand — a city in S central France: capital of Puy-de-Dôme department; industrial centre. Pop: 140 957 (2011)
- 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