20-letter words containing p, o, s, l
- clip someone's wings — to restrict someone's freedom
- cognitive psychology — the psychological study of higher mental processes, including thinking and perception
- collective ownership — ownership by a group for the benefit of members of that group
- colloidal suspension — a mixture having particles of one component, with diameters between 10 −7 and 10 −9 metres, suspended in a continuous phase of another component. The mixture has properties between those of a solution and a fine suspension
- colorado blue spruce — blue spruce.
- colorpoint shorthair — any of a breed of domestic cat, bred by crossing a Siamese and an American shorthair, with blue, almond-shaped eyes and a short, glossy, white coat shading to a darker color at the face, ears, feet, and tail
- compartmentalisation — Alternative form of compartmentalization.
- compensating balance — Also, compensated balance, compensation balance. a balance wheel in a timepiece, designed to compensate for variations in tension in the hair spring caused by changes in temperature.
- compensation culture — a culture in which people are very ready to go to law over even relatively minor incidents in the hope of gaining compensation
- complaints procedure — a prescribed method of lodging a complaint to an institution
- complementary angles — either of two angles that added together produce an angle of 90°.
- complementary colors — any of two colors of the spectrum that, combined in the right intensities, produce white or nearly white light
- complementary strand — either of the two chains that make up a double helix of DNA, with corresponding positions on the two chains being composed of a pair of complementary bases.
- comprehensive school — a secondary school for children of all abilities from the same district
- conscious uncoupling — the ending of a romantic relationship or marriage in a respectful, positive, and constructive way.
- consultant physician — a physician who has attained the rank of consultant in a particular speciality
- controlled explosion — the deliberate detonation of an explosive device under strictly controlled circumstances
- conventional weapons — weapons which are not nuclear
- copulative asyndeton — a staccato effect produced by omitting copulative connectives between two or more items in a group, as in “Friends, Romans, countrymen.”.
- corpus juris civilis — the body of Roman or civil law consolidated by Justinian in the 6th century ad. It consists of four parts, the Institutes, Digest, Code, and Novels
- corresponding angles — a pair of nonadjacent angles, one interior and one exterior, on the same side of a transversal: these paired angles are equal if the lines cut by the transversal are parallel
- craniosacral therapy — a form of therapy for various disorders in which the therapist manipulates the bones of the skull
- criminal proceedings — action taken in a court to bring a criminal prosecution against someone
- cross someone's palm — to give someone money
- cycloidal propulsion — propulsion of a vessel by propellers of controllable pitch that steer as well as propel.
- darkfield microscope — kind of microscope
- diisobutyl phthalate — a clear, colorless liquid, C 14 H 26 O 4 , used chiefly as a plasticizer for nitrocellulose.
- diophantine analysis — any of several methods for finding integral solutions for equations with more than one variable whose coefficients are integers.
- diplomatic secretary — secretary (def 5).
- diplomatic-secretary — secretary (def 5).
- displacement tonnage — the number of long tons of water displaced by a vessel, light or load displacement being specified.
- doctor of philosophy — Also called doctorate. the highest degree awarded by a graduate school, usually to a person who has completed at least three years of graduate study and a dissertation approved by a board of professors.
- double decomposition — a reaction whose result is the interchange of two parts of two substances to form two new substances, as AgNO 3 + NaCl → AgCl + NaNO 3 .
- double-aspect theory — a monistic theory that holds that mind and body are not distinct substances but merely different aspects of a single substance
- drum and bugle corps — a marching band of drum players and buglers.
- due process (of law) — the course of legal proceedings established by the legal system of a nation or state to protect individual rights
- eight queens problem — eight queens puzzle
- electrophysiological — Of or pertaining to electrophysiology.
- electroshock therapy — a form of shock therapy in which electric current is applied to the brain
- employee association — an organization, other than a trade union, whose members comprise employees of a single employing organization. The aims of the association may be social, recreational, or professional
- employer's liability — an employer's legal responsibility to pay damages to an employee who has been injured or who has contracted an illness because of the work he or she does
- epitaxial transistor — a transistor made by depositing a thin pure layer of semiconductor material (epitaxial layer) onto a crystalline support by epitaxy. The layer acts as one of the electrode regions, usually the collector
- essential complexity — (programming) A measure of the "structuredness" of a program.
- european social fund — one of the four Structural Funds of the European Union which aims to support employment and the economic and social well-being of EU member countries
- evening primrose oil — an oil, obtained from the seeds of the evening primrose, that is claimed to stimulate the production of prostaglandins
- external respiration — exchange of oxygen and carbon dioxide across external or respiratory surfaces, as gills or lungs, in multicellular organisms
- field ion microscope — a device in which the atomic structure of the surface of a conductor is made visible by introducing helium gas into the device and applying a high voltage to ionize and accelerate the gas toward a fluorescent screen.
- field-ion microscope — a device in which the atomic structure of the surface of a conductor is made visible by introducing helium gas into the device and applying a high voltage to ionize and accelerate the gas toward a fluorescent screen.
- file descriptor leak — (programming) (Or "fd leak" /F D leek/) A kind of programming bug analogous to a core leak, in which a program fails to close file descriptors ("fd"s) after file operations are completed, and thus eventually runs out of them. See leak.
- first world problems — If you say that someone has First World problems, you mean that their problems are not really very important.