20-letter words containing o, i, l, p, r, f
- ampulla of lorenzini — any of an array of electroreceptors in the head of sharks, skates, and rays capable of detecting weak electrical signals produced by muscular activity in other creatures.
- apollonius of rhodes — 3rd century bc, Greek epic poet and head of the Library of Alexandria. His principal work is the four-volume Argonautica
- application software — software designed for a specific need or purpose
- cape prince of wales — a cape in W Alaska, on the Bering Strait opposite the coast of the extreme northeast of Russia: the westernmost point of North America
- catastrophic failure — Catastrophic failure is sudden and complete failure which cannot be put right.
- conformal projection — a map projection in which angles formed by lines are preserved: a map made using this projection preserves the shape of any small area.
- counterproliferation — Action intended to prevent an increase or spread in the possession of nuclear weapons.
- darkfield microscope — kind of microscope
- 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.
- ecological footprint — a mark left by the shod or unshod foot, as in earth or sand.
- electronic footprint — data that identifies a computer that has connected to a particular website
- 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
- 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.
- flame-fusion process — Verneuil process.
- floodlight projector — a powerful lamp having a reflector curved to produce a floodlight.
- fore-and-aft topsail — gaff topsail (def 1).
- forty-ninth parallel — an informal name for the Canadian border with the USA, which is in part delineated by the parallel line of latitude at 49°N
- group life insurance — a form of life insurance available to members of a group, typically employees of a company, under a master policy.
- houses of parliament — In Britain, the Houses of Parliament are the British parliament, which consists of two parts, the House of Commons and the House of Lords. The buildings where the British parliament does its work are also called the Houses of Parliament.
- ideal of pure reason — God, seen as an idea of pure reason unifying the personal soul with the cosmos.
- in (or out of) play — in (or not in) the condition for continuing play
- in the lap of luxury — If you say that someone lives in the lap of luxury, you mean that they live in conditions of great comfort and wealth.
- investment portfolio — the whole range of financial investments held by an individual investor or a financial organization
- 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.
- liberty of the press — freedom of the press.
- 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.
- lost property office — room for mislaid objects
- 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.
- member of the public — a member of the general population
- paper qualifications — qualifications gained through official examinations, etc, rather than through experience
- pappus of alexandria — 3rd century bc, Greek mathematician, whose eight-volume Synagoge is a valuable source of information about Greek mathematics
- parallel of altitude — almucantar.
- parallel of latitude — parallel (def 9).
- particulars of claim — (in England) the first reading made by the claimant in a county court action, showing the facts upon which he or she relies in support of a claim and the relief asked for
- period of revolution — a rather large interval of time that is meaningful in the life of a person, in history, etc., because of its particular characteristics: a period of illness; a period of great profitability for a company; a period of social unrest in Germany.
- permonosulfuric acid — persulfuric acid (def 1).
- pest control officer — a person who gets rid of pests such as rats and mice
- photoelectric effect — the phenomenon in which the absorption of electromagnetic radiation, as light, of sufficiently high frequency by a surface, usually metallic, induces the emission of electrons from the surface.
- piezoelectric effect — the property exhibited by some nonconducting crystals of becoming electrically polarized when mechanically strained and of becoming mechanically strained when an electric field is applied.
- polymorphic function — a function in a computer program that can deal with a number of different types of data
- portfolio employment — the practice of working for several employers simultaneously rather than working full-time for a single employer
- post office protocol — (messaging, protocol) (POP) A protocol designed to allow single-user computers to retrieve electronic mail from a POP server via TCP/IP. The default port is 110. The POP server might be a computer with a permanent Internet connection whereas its clients might only connect to it occasionally, e.g. by modem. There are (in 1994) three versions: POP, POP2, and POP3. Later versions are NOT compatible with earlier ones.
- potential difference — voltage
- prefecture apostolic — a territory in the early stage of missionary development.
- probability function — the function the values of which are probabilities of the distinct outcomes of a discrete random variable
- public record office — an institution in which official records are stored and kept available for inspection by the public
- reflecting telescope — an optical instrument for making distant objects appear larger and therefore nearer. One of the two principal forms (refracting telescope) consists essentially of an objective lens set into one end of a tube and an adjustable eyepiece or combination of lenses set into the other end of a tube that slides into the first and through which the enlarged object is viewed directly; the other form (reflecting telescope) has a concave mirror that gathers light from the object and focuses it into an adjustable eyepiece or combination of lenses through which the reflection of the object is enlarged and viewed. Compare radio telescope.
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