16-letter words containing r, h, e, m
- 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.
- 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)
- charmed particle — See at charmed (def 2).
- chattel mortgage — a mortgage on movable personal property
- chemical warfare — warfare in which chemicals other than explosives are used as weapons, esp warfare using asphyxiating or nerve gases, poisons, defoliants, etc
- 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
- choriomeningitis — (medicine) A form of cerebral meningitis associated with inflammation of the choroid plexus.
- christmas beetle — any of various greenish-gold Australian scarab beetles of the genus Anoplognathus, which are common in summer
- christmas dinner — the main meal on Christmas day, eaten any time in the afternoon or evening
- christmas hamper — a collection of seasonal delicacies, often housed in a wicker hamper, which people or organizations give as Christmas presents
- 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
- chymotrypsinogen — the inactive precursor of chymotrypsin
- clackmannanshire — a council area and historical county of central Scotland; became part of the Central region in 1975 but reinstated as an independent unitary authority in 1996; mainly agricultural. Administrative centre: Alloa. Pop: 47 680 (2003 est). Area: 142 sq km (55 sq miles)
- cochlear implant — a device that stimulates the acoustic nerve in the inner ear in order to produce some form of hearing in people who are deaf from inner ear disease
- combined honours — (in British education) a degree course that includes more than one subject
- come from behind — sport: win from a disadvantaged position
- commissionership — The role or office of commissioner.
- community charge — (formerly in Britain) a flat-rate charge paid by each adult in a community to his or her local authority in place of rates
- comparable worth — the doctrine that a woman's and man's pay should be equal when their work requires equal training, skills, and responsibilities.
- crash test dummy — a dummy used in crash tests
- cry for the moon — to desire the unattainable
- dark of the moon — the period during which the moon is not visible.
- debating chamber — a room where a legislative assembly holds debates
- devonshire cream — clotted cream.
- dextromethorphan — (pharmaceutical drug) An antitussive drug (a cough suppressant) that is found in many over-the-counter cold and cough preparations.
- diacetylmorphine — heroin.
- dimethylcarbinol — isopropyl alcohol.
- direct-mail shot — the posting of unsolicited sales literature to potential customers' homes or business addresses
- discovery method — a largely unstructured, situational method or philosophy of teaching whereby students are permitted to find solutions to problems on their own or at their own pace, often jointly in group activities, either independent of or under the guidance of a teacher.