19-letter words containing p, e, y
- daisy-wheel printer — a type of printer that uses a daisywheel
- data encryption key — (DEK) Used for the encryption of message text and for the computation of message integrity checks (signatures). See cryptography.
- debugging by printf — (programming) The debugging technique where the programmer inserts print statements into a program so that when run the program leaves a "trail of breadcrumbs" allowing him to see which parts were executed. The information output may just be a short string to indicate that a particular point in the code has been reached or it might be a complete stack trace. The output typically just goes to the window or terminal in which the program is running or may be written to a log file.
- deflationary spiral — Geometry. a plane curve generated by a point moving around a fixed point while constantly receding from or approaching it.
- dendrogeomorphology — (geology) the science that uses dendrochronology to study changes to the Earth's surface over time.
- development company — a company that buys land and builds houses, offices, shops, or factories on it, or buys existing buildings and makes them more modern
- dihydrostreptomycin — an antibiotic, C 21 H 41 N 7 O 12 , derived by organic synthesis from and believed to be less toxic than streptomycin: used in the form of its sulfate chiefly in the treatment of tuberculosis.
- discovery procedure — any rigorous method by the application of which a grammar might be constructed from a corpus of utterances in a language; an algorithm leading from data to a formulation.
- display advertising — display ads taken collectively.
- diversional therapy — the structured use of leisure time in recreation and play as a form of or supplement to conventional therapy
- early purple orchid — a Eurasian orchid, Orchis mascula, with purplish-crimson flowers and stems marked with blackish-purple spots
- echoencephalography — a device that employs reflected ultrasonic waves to examine the position of brain structures.
- electric typewriter — typewriting machine: uses electricity
- electrocardiography — The measurement of electrical activity in the heart and the recording of such activity as a visual trace (on paper or on an oscilloscope screen), using electrodes placed on the skin of the limbs and chest.
- electropalatography — the study of the movements of the tongue during speech using touch-sensitive electrodes in the mouth linked to a computer
- electrophoretically — By means of electrophoresis.
- electrophysiologist — A physiologist whose speciality is electrophysiology.
- elementary particle — any of several entities, such as electrons, neutrons, or protons, that are less complex than atoms and are regarded as the constituents of all matter
- emergency telephone — a public telephone intended for use in emergencies: for example, at the side of a motorway
- employment tribunal — (in England, Scotland, and Wales) a tribunal that rules on disputes between employers and employees regarding unfair dismissal, redundancy, etc
- empty-nest syndrome — a condition, often involving depression, loneliness, etc, experienced by parents living in a home from which the children have grown up and left
- english toy spaniel — breed of dog
- expeditionary force — An expeditionary force is a group of soldiers who are sent to fight in a foreign country.
- expert systems ltd. — (company) (ESL) Distributors of ESLPDPRO. Adderss: Magdalen Centre, Oxford Science Park, Oxford, OX4 4GA. Telephone +44 (865) 784474.
- expressionistically — In an expressionistic manner.
- eye make-up remover — a product used to remove cosmetics such as mascara and eyeliner
- family practitioner — medical specialization in general practice, requiring training beyond that of general practice and leading to board certification.
- family-sized packet — a large packet
- feynman, richard p. — Richard P. Feynman
- floppy (disk) drive — the controller and mechanism for reading and writing data on floppy disks
- flowering raspberry — a shrub, Rubus ordoratus, of eastern North America, having loose clusters of showy purplish or rose-purple flowers and inedible, dry, red fruit.
- forensic psychiatry — the use of psychiatric knowledge and techniques in questions of law, as in determining legal insanity.
- four eyes principle — the requirement that a business transaction be approved by at least two individuals
- government monopoly — the exclusive control of the market supply of a product or service by the government
- hepatoportal system — a vascular arrangement in vertebrates through which blood is transported into the liver from capillaries of the stomach, spleen, duodenum, pancreas, and intestines.
- heptachlorobiphenyl — (organic compound) Either of twenty-four isomers of the polychlorinated biphenyl containing seven chlorine atoms.
- hester lynch piozzi — Hester Lynch (Hester Lynch Piozzi) 1741–1821, Welsh writer and friend of Samuel Johnson.
- high-energy physics — the branch of particle physics that deals with the collisions of particles accelerated to such high energies that new elementary particles are created by the collisions.
- high-flying tippler — a variety of domestic pigeon bred mainly for flying
- highways department — the department of a state, council, etc, responsible for the upkeep of roads and highways
- hydroelectric power — electricity generated by water
- hydropneumatization — utilization of air pressure in the housing of a water turbine to keep the level of water that has been used from rising to interfere with the rotor blades.
- hyper-nationalistic — a person devoted to nationalism.
- hyperbolic cosecant — a hyperbolic function that is the reciprocal of hyperbolic sine
- hyperbolic function — a function of an angle expressed as a relationship between the distances from a point on a hyperbola to the origin and to the coordinate axes, as hyperbolic sine or hyperbolic cosine: often expressed as combinations of exponential functions.
- hyperbolic geometry — the branch of non-Euclidean geometry that replaces the parallel postulate of Euclidean geometry with the postulate that two distinct lines may be drawn parallel to a given line through a point not on the given line.
- hypercholesteraemia — (medicine) An abnormally high level of cholesterol in the blood.
- hyperfine structure — the splitting of the lines of an atomic spectrum, produced by the angular momentum of the nucleus of the atom.
- hyperfocal distance — the distance, at a given f number, between a camera lens and the nearest point (hyperfocal point) having satisfactory definition when focused at infinity.
- hyperparathyroidism — overactivity of the parathyroid gland, characterized by softening of the bones, with consequent pain, tenderness, and a tendency to spontaneous fractures, and by muscular weakness and abdominal cramps.