18-letter words containing a, t, o, p
- christmas shopping — shopping especially for Christmas presents, but also for Christmas food and drink, and all the other things required over the Christmas period.
- chromatic printing — printing from blocks or types inked with various colours
- chromolithographer — One engaged in chromolithography.
- chromolithographic — Pertaining to, or made by, chromolithography.
- chronostratigraphy — The branch of geology concerned with establishing the absolute ages of strata.
- claustrophobically — In a claustrophobic way.
- clean up one's act — to start to behave in a responsible manner
- cleopatra's needle — either of two Egyptian obelisks, originally set up at Heliopolis about 1500 bc: one was moved to the Thames Embankment, London, in 1878, the other to Central Park, New York, in 1880
- clinical pathology — the branch of pathology dealing with the study of disease and disease processes by means of chemical, microscopic, and serologic examinations.
- closed corporation — a corporation the stock of which is owned by a small number of persons and is rarely traded on the open market
- cobalt violet deep — a medium to strong purple color.
- color transparency — a positive color image photographically produced on transparent film or glass and viewed by transmitted light, usually by projection.
- colour photography — the art or process of taking and developing photographs in colour
- colour temperature — the temperature of a black-body radiator at which it would emit radiation of the same chromaticity as the light under consideration
- combined operation — a military operation carried out jointly by allied forces
- come the raw prawn — to attempt deception
- commando operation — a major operation for treatment of cancer of the head and neck, involving removal of many facial structures and subsequent surgical reconstruction
- community hospital — (in the US) a local hospital
- compact video disc — a compact laser disc that plays both pictures and sound
- companion planting — the cultivation of different types of plants in close proximity so as to benefit each other, as planting a deer-repellent plant in a flower garden.
- comparative method — a body of procedures and criteria used by linguists to determine whether and how two or more languages are related and to reconstruct forms of their hypothetical parent language.
- compartmentalizing — Present participle of compartmentalize.
- compassion fatigue — the inability to react sympathetically to a crisis, disaster, etc, because of overexposure to previous crises, disasters, etc
- compensation award — an amount of money awarded as compensation in a court case
- compensation order — (in Britain) the requirement of a court that an offender pay compensation for injury, loss, or damage resulting from an offence, either in preference to or as well as a fine
- compensation point — the concentration of atmospheric carbon dioxide at which the rate of carbon dioxide uptake by a photosynthesizing plant is exactly balanced by its rate of carbon dioxide release in respiration and photorespiration
- complementarianism — The doctrine that genders in a society should have complementary roles.
- complementary base — either of the nucleotide bases linked by a hydrogen bond on opposite strands of DNA or double-stranded RNA: guanine is the complementary base of cytosine, and adenine is the complementary base of thymine in DNA and of uracil in RNA.
- complementary gene — one of a pair of genes, each from different loci, that together are required for the expression of a certain characteristic
- complexity measure — (algorithm) A quantity describing the complexity of a computation.
- compressor station — A compressor station is a facility with several compressors (= devices that increase the pressure of air or natural gas) and other equipment to pump natural gas under pressure over long distances.
- computer animation — animated film or video that is generated by computers
- computer-generated — produced by a computer program
- concentration camp — A concentration camp is a prison in which large numbers of ordinary people are kept in very bad conditions, usually during a war.
- concentration span — the length of time a person can concentrate on something
- conceptual realism — the doctrine that universals have real and independent existence.
- conceptualisations — Plural form of conceptualisation.
- conceptualizations — Plural form of conceptualization.
- condensation point — a point of which every neighborhood contains an uncountable number of points of a given set.
- conjugated protein — a biochemical compound consisting of a sequence of amino acids making up a simple protein to which another nonprotein group (a prosthetic group), such as a carbohydrate or lipid group, is attached
- connected subgraph — (mathematics) A connected graph consisting of a subset of the nodes and edges of some other graph.
- conservative party — The Conservative Party is the main right-of-centre party in Britain.
- constituency party — a branch of a political party operating within a constituency
- construction paper — Construction paper is a type of stiff, colored paper that children use for drawing and for making things.
- controllable-pitch — (of a marine or aircraft propeller) having blades whose pitch can be changed during navigation or flight; variable-pitch.
- conversation piece — something, esp an unusual object, that provokes conversation
- copper naphthenate — a green salt, soluble in benzene, used as an insecticide and a wood preservative, but harmless to plants.
- cornucopian thesis — the belief that, as long as science and technology continue to advance, growth can continue for ever because these new advances create new resources
- corporate anorexia — a malaise of a business organization resulting from making too many creative people redundant in efforts to cut costs
- corporate identity — business brand