18-letter words containing p, o, l, t
- career development — a progression through a series of jobs, each with more responsibility and a higher income than the last
- castration complex — an unconscious fear of having one's genitals removed, as a punishment for wishing to have sex with a parent
- cellular telephone — a mobile phone
- central projection — a projection of one plane onto a second plane such that a point on the first plane and its image on the second plane lie on a straight line through a fixed point not on either plane.
- checkpoint charlie — a crossing between East and West Berlin during the Cold War
- chemical potential — a thermodynamic function of a substance in a system that is the partial differential of the Gibbs function of the system with respect to the number of moles of the substance
- child psychologist — a psychologist who specializes in treating children
- chloroacetophenone — a white, crystalline, water-insoluble, poisonous solid, C 8 H 7 ClO, used in solution as a tear gas. Abbreviation: CN.
- christopher sholes — Christopher Latham [ley-thuh m,, -th uh m] /ˈleɪ θəm,, -ðəm/ (Show IPA), 1819–90, U.S. inventor of the typewriter.
- chromolithographer — One engaged in chromolithography.
- chromolithographic — Pertaining to, or made by, chromolithography.
- 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
- community hospital — (in the US) a local hospital
- community policing — Community policing is a system in which policemen work only in one particular area of the community, so that everyone knows them.
- 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.
- compartmentalizing — Present participle of compartmentalize.
- 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.
- computer telephony — Computer Telephone Integration
- conceptual realism — the doctrine that universals have real and independent existence.
- conceptualisations — Plural form of conceptualisation.
- conceptualizations — Plural form of conceptualization.
- control experiment — an experiment designed to check or correct the results of another experiment by removing the variable or variables operating in that other experiment. The comparison obtained is an indication or measurement of the effect of the variables concerned
- controllable-pitch — (of a marine or aircraft propeller) having blades whose pitch can be changed during navigation or flight; variable-pitch.
- cordless telephone — a portable battery-powered telephone with a short-range radio link to a fixed base unit
- corpuscular theory — the theory, originally proposed by Newton, and revived with the development of the quantum theory, that light consists of a stream of particles
- coupling capacitor — A coupling capacitor is a capacitor that is used to transmit an alternating current signal from one node to another.
- cranial osteopathy — osteopathy that focuses on the cranium and the spine
- crown-jewel option — an option given by a company subjected to an unwelcome takeover bid to a friendly firm, allowing this firm to buy one or more of its best businesses if the bid succeeds
- crystal microphone — a microphone that uses a piezoelectric crystal to convert sound energy into electrical energy
- cyclopean concrete — concrete containing stones larger than 6 inches (15 cm).
- decompartmentalize — to remove excessive compartmentalization from (an organization)
- departmental store — a department store.
- departure platform — a raised area at a railway station from which passengers can board trains prior to their departing
- depository library — a library designated by law to receive without charge all or a selection of the official publications of a government.
- desalination plant — a factory where salt is removed from salt water in order to make the water suitable for drinking and irrigation
- desktop publishing — Desktop publishing is the production of printed materials such as newspapers and magazines using a desktop computer and a laser printer, rather than using conventional printing methods. The abbreviation DTP is also used.
- developing country — a nonindustrialized poor country that is seeking to develop its resources by industrialization
- development period — a length of time during which a company grows
- development system — a computer system, including hardware and software, that is specifically designed to aid in the development of software and interfaces