16-letter words containing m, e, c, h
- chemical element — chemistry: substance
- chemical peeling — a cosmetic process in which a substance containing a chemical (esp alpha-hydroxy acids) is applied to the skin of the face and peeled away to remove a layer of dead cells
- chemical warfare — warfare in which chemicals other than explosives are used as weapons, esp warfare using asphyxiating or nerve gases, poisons, defoliants, etc
- chemical weapons — toxic chemicals used as weapons
- chemiluminescent — Of, pertaining to, or employing chemiluminescence.
- 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.
- chemoluminescent — (chemistry) Exhibiting chemoluminescence.
- chemonucleolysis — treatment for a herniated spinal disk in which chymopapain is injected into the disk to dissolve tissue.
- 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.
- chimney-climbing — the sport of climbing a vertical fissure large enough for a person's body to enter
- chinese cinnamon — cassia (def 1).
- chinese fan palm — a fan palm, Livistona chinensis, of southern Japan, having very large, deeply cleft leaves and bluish-green, ovalish fruit.
- chinese medicine — a traditional system of medical treatment based on the principles of Yin and Yang, involving such treatments as acupuncture and the use of a range of drugs derived from animal and vegetable sources
- 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
- chomp at the bit — champ at the bit (see phrase under champ1)
- chopped tomatoes — tomatoes cut into pieces
- 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
- coital exanthema — a common venereal disease affecting horses and cattle, caused by a virus and characterized by the appearance of pustules on the mucous membranes of the genital organs and neighboring skin.
- columbia heights — a city in SE Minnesota, near Minneapolis.
- combined honours — (in British education) a degree course that includes more than one subject
- combining weight — the atomic weight of an atom or radical divided by its valence.
- come from behind — sport: win from a disadvantaged position
- commission house — a brokerage firm that buys and sells for customers on a commission basis
- commissionership — The role or office of commissioner.
- commonwealth day — the anniversary of Queen Victoria's birth, May 24, celebrated (now on the second Monday in March) as a holiday in many parts of the Commonwealth
- 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.
- composite school — a secondary school offering both academic and nonacademic courses
- coping mechanism — something a person does to deal with a difficult situation