18-letter words containing p, o, t, s, d, i
- accident proneness — the unconscious tendency, thought to exist in some people, to involve themselves in a large number of accidents
- acoustic impedance — the total reaction of a medium to the transmission of sound through it, expressed as the ratio of sound pressure to particle velocity at a given point in the medium.
- airspeed indicator — a dial that indicates the airspeed at which an aircraft is travelling
- antiprostaglandins — Plural form of antiprostaglandin.
- aphrodite of melos — a Greek statue of Venus in marble, c200 b.c., found in 1820 on Melos and now in the Louvre, Paris.
- apostolic delegate — a representative of the pope sent to countries that do not have full or regular diplomatic relations with the Holy See
- appellate division — the section of a court that hears appeals, sometimes existing as an intermediate court between a trial court and a court of last resort.
- associated company — a company which is largely controlled by its parent company because the latter owns anything up to 50% of the shares
- asymptotic freedom — a property of the force between quarks, according to quantum chromodynamics, such that they behave almost like free particles when they are close together within a hadron.
- atmospheric window — wavelengths of the electromagnetic spectrum that can be transmitted through the earth's atmosphere. Atmospheric windows occur in the visible, infrared, and radio regions of the spectrum
- auditory phonetics — the branch of phonetics concerned with the perception of speech sounds by humans
- avoirdupois weight — a British and American system of weights based on a pound of 16 ounces
- bomb disposal unit — a unit of the police or armed services specializing in bomb disposal
- bottlenose dolphin — any dolphin of the genus Tursiops, esp T. truncatus, some of which have been kept in captivity and trained to perform tricks
- cape breton island — an island off SE Canada, in NE Nova Scotia, separated from the mainland by the Strait of Canso: its easternmost point is Cape Breton. Pop: 132 298 (2006). Area: 10 280 sq km (3970 sq miles)
- child psychologist — a psychologist who specializes in treating children
- closed corporation — a corporation the stock of which is owned by a small number of persons and is rarely traded on the open market
- comb-footed spider — any of numerous spiders constituting the family Theridiidae, having a comblike row of bristles on the tarsi of the hind legs.
- compact video disc — a compact laser disc that plays both pictures and sound
- 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
- condensation point — a point of which every neighborhood contains an uncountable number of points of a given set.
- deanthropomorphism — the ridding of philosophy or religion of anthropomorphic beliefs and doctrines.
- deep-discount bond — a fixed-interest security that pays little or no interest but is issued at a substantial discount to its redemption value, thus largely substituting capital gain for income
- 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.
- dialytic telescope — a type of achromatic telescope with a second correcting lens
- didot point system — a Continental system of measurement for type, based on a unit of 0.0148 inches (0.3759 mm).
- dimethylsulphoxide — a colourless odourless liquid substance used as a solvent and in medicine as an agent to improve the penetration of drugs applied to the skin. Formula: (CH3)2SO
- diphosphoglycerate — an ester of phosphoric acid and glyceric acid that occurs in the blood and that promotes the release of hemoglobin-bound oxygen.
- diplomatic service — diplomatic corps
- diplomatic shuttle — a series of diplomatic visits to other states made by an official, such as an ambassador or envoy
- disability pension — a pension paid to people who are unable to continue to work because of a disability
- disodium phosphate — sodium phosphate (def 2).
- dispatch documents — documents sent with a parcel, etc, detailing information such as contents, delivery address, etc
- display postscript — An extended form of PostScript permitting its interactive use with bitmap displays.
- disproportionality — not in proportion; disproportionate.
- disproportionately — not proportionate; out of proportion, as in size or number.
- disproportionation — the simultaneous oxidation and reduction of a substance reacting with itself, thereby forming two dissimilar molecules, as 2C 2 H 4 →C 2 H 6 +C 2 H 2 .
- dissenting opinion — (in appellate courts) an opinion filed by a judge who disagrees with the majority decision of a case.
- divine inspiration — insight provided by higher power
- domestic appliance — a machine used for household tasks, for example, a washing machine, refrigerator, etc.
- drainpipe trousers — trousers with very narrow legs
- duty-free shopping — the making of duty-free purchases
- east india company — the company chartered by the English government in 1600 to carry on trade in the East Indies: dissolved in 1874.
- eigendecomposition — (linear algebra) The factorization of a matrix into a canonical form, whereby the matrix is represented in terms of its eigenvalues and eigenvectors.
- fishing expedition — a legal proceeding mainly for the purpose of interrogating an adversary, or of examining his or her property and documents, in order to gain useful information.
- forced perspective — the use of objects or images that are larger or smaller than they should be, to suggest that they are nearer or further away than they really are
- foundling hospital — an institutional home for foundlings.
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