20-letter words containing a, r, e, p, t
- infrared photography — photography using film with an emulsion that is sensitive to infrared light, enabling it to be used in misty weather, in darkened interiors, or at night. It has applications in aerial surveys, the detection of forgeries, etc
- inland revenue stamp — a certificate issued by the Inland Revenue to acknowledge payment of tax
- innerspring mattress — a mattress with built-in coil springs
- insulin-coma therapy — a former treatment for mental illness, especially schizophrenia, employing insulin-induced hypoglycemia as a method for producing convulsive seizures.
- integration by parts — Mathematics. a method of evaluating an integral by use of the formula, ∫udv = uv − ∫vdu.
- interference pattern — a series of alternating dark and bright bands produced as a result of light interference.
- internal respiration — the exchange of oxygen and carbon dioxide between the blood or lymph and the body cells
- interpersonal skills — skills that contribute to dealing successfully with other people
- interpersonal theory — the theory that personality development and behavior disorders are related to and determined by relationships between persons.
- interplanetary space — the region of space occurring around the sun and planets of the solar system. The density is normally negligible although cosmic rays, meteorites, gas clouds, etc, can occur
- james prescott joule — James Prescott, 1818–89, English physicist.
- japanese pagoda tree — pagoda tree.
- jasper national park — a national park in the Canadian Rockies in W Alberta, in SW Canada.
- joseph of arimathaea — a member of the Sanhedrin who placed the body of Jesus in the tomb. Matt. 27:57–60; Mark 15:43.
- kamin's interpreters — (language, tool) A set of interpreters for Pascal, Lisp, APL, Scheme, SASL, CLU, Smalltalk, and Prolog. Tim Budd <[email protected]> implemented them as subclasses in C++ sometime before 1991-09-12.
- keep a straight face — look serious, avoid smiling
- keep a tight rein on — to control carefully; limit
- knights hospitallers — a military religious order founded about the time of the first crusade (1096–99) among European crusaders. It took its name from a hospital and hostel in Jerusalem
- kruger national park — a wildlife sanctuary in NE South Africa: the world's largest game reserve. Area: over 21 700 sq km (8400 sq miles)
- laboratory equipment — apparatus for scientific research and experiments
- law of superposition — Geology. a basic law of geochronology, stating that in any undisturbed sequence of rocks deposited in layers, the youngest layer is on top and the oldest on bottom, each layer being younger than the one beneath it and older than the one above it.
- legal representation — representation by a lawyer
- life-support machine — A life-support machine is the equipment that is used to keep a person alive when they are very ill and cannot breathe without help.
- light the touchpaper — to do something that will cause much anger or excitement
- like death warmed up — very ill
- linear extrapolation — Statistics, Mathematics. extrapolation using a linear equation to estimate the value of a variable or function outside the tabulated or observed range.
- linguistic geography — dialect geography.
- literate programming — (programming, text) Combining the use of a text formatting language such as TeX and a conventional programming language so as to maintain documentation and source code together. Literate programming may use the inverse comment convention.
- llywelyn ap iorwerth — called Llywelyn the Great. died 1240, prince of Gwynedd, N Wales (1194–1238), who extended his rule over most of Wales
- lower layer protocol — (networking, protocol) (LLP, or lower-layer protocol) Any protocol residing in OSI layers one to four. These protocols package, route, verify and transmit datagrams. A prime example would be TCP/IP. Lower layer protocols support the upper layer protocols.
- lump in one's throat — the passage from the mouth to the stomach or to the lungs, including the pharynx, esophagus, larynx, and trachea.
- magnetoencephalogram — a record of the magnetic field of the brain. Abbreviation: MEG.
- mail transport agent — Message Transfer Agent
- marketing department — the department of a commercial organization that deals with the marketing of products
- matched-pairs design — (of an experiment) concerned with measuring the values of the dependent variables for pairs of subjects that have been matched to eliminate individual differences and that are respectively subjected to the control and the experimental condition
- material implication — equivalence (def 4a).
- maternal deprivation — the lack of a mother in a child's life, considered a cause of psychological problems later in life
- medical practitioner — doctor
- megabytes per second — (unit) (MBps, MB/s) Millions of bytes per second. A unit of data rate. 1 MB/s = 1,000,000 bytes per second (not 1,048,576).
- megakaryocytopoiesis — (biology) The cellular development process that leads to platelet production.
- member of parliament — A Member of Parliament is a person who has been elected by the people in a particular area to represent them in a country's parliament. The abbreviation MP is often used.
- military superiority — the power, strength, or numbers of armed forces of a country viewed as an advantage over another country
- mopping-up operation — an operation after a battle or campaign to root out remaining enemy forces or installations
- mother of the chapel — (in British trade unions in the publishing and printing industries) a woman shop steward
- mother-of-pearl moth — a pyralid moth, Pleuroptya ruralis, having a pale sheen, that is often seen around nettles, on which its green larvae feed
- multipart stationery — continuous stationery comprising two or more sheets, either carbonless or with carbon paper between the sheets
- multiple inheritance — (programming) In object-oriented programming, the possibility that a class may have more than one direct superclass in the class hierarchy. The opposite is single inheritance.
- multiple personality — a rare disorder in which an individual displays several functionally dissociated personalities, each of a complexity comparable to that of a normal individual.
- multiplicative group — a group in which the operation of the group is multiplication.
- multistep hydroplane — a motorship having a flat bottom built as a series of planes inclined forward, the ship planing on each from stem to stern as its speed increases.