20-letter words containing r, o, t, i, n, g
- marginal probability — (in a multivariate distribution) the probability of one variable taking a specific value irrespective of the values of the others
- mass-energy equation — the equation, E=mc2, formulated by Albert Einstein, expressing the equivalence between mass and energy, where E is energy, m is mass, and c is the velocity of light.
- microsoft networking — (networking) Microsoft's name for the networking subsystems of Windows 95 and later. Not to be confused with The Microsoft Network. Microsoft networking uses the SMB file sharing protocol. It is implemented as file system drivers i.e. "installable file systems" (IFS). The network redirector "Client for Microsoft Networks", is implemented in the VREDIR.VXD virtual device driver. Peer resource sharing is provided by "File and Printer Sharing for Microsoft Networks" (VSERVER.VXD). Windows 95's support for Netware (NCP) networks is provided in a similar way via NWREDIR.VXD and NWSERVER.VXD.
- molecular geneticist — a specialist in the study of the molecular constitution of genes and chromosomes
- mopping-up operation — an operation after a battle or campaign to root out remaining enemy forces or installations
- most general unifier — (logic) If U is the most general unifier of a set of expressions then any other unifier, V, can be expressed as V = UW, where W is another substitution. See also unification.
- net register tonnage — the taxable gross tonnage of a merchant ship.
- night storage heater — a heater or radiator that stores heat at night-time because electricity is cheaper
- nikkei stock average — an index of prices on the Tokyo Stock Exchange
- non-volatile storage — (storage) (NVS, persistent storage, memory) A term describing a storage device whose contents are preserved when its power is off. Storage using magnetic media (e.g. magnetic disks, magnetic tape or bubble memory) is normally non-volatile by nature whereas semiconductor memories (static RAM and especially dynamic RAM) are normally volatile but can be made into non-volatile storage by having a (rechargable) battery permanently connected. Other examples of non-volatile storage are EEPROM, CD-ROM, paper tape and punched cards.
- nonintrusive testing — (testing) Testing that is transparent to the software under test, i.e., does not change its timing or processing characteristics. Nonintrusive testing usually involves additional hardware that collects timing or processing information and processes that information on another platform.
- nonrepeating decimal — a decimal representation of any irrational number, having the property that no sequence of digits is repeated ad infinitum.
- normal magnification — the magnification produced by a telescope or microscope such that the diameter of the exit pupil of the instrument is equal to the diameter of the pupil of the eye.
- northern leaf blight — a disease of corn caused by the fungus Exsherohilum turcicum, characterized by elongate tan-gray elliptical spots with subsequent blighting and necrosis of leaves.
- norwegian forest cat — a breed of long-haired cat with a long bushy tail and a long mane
- object role modeling — (programming) (ORM) A conceptual modelling approach that pictures the application world as a set of objects that play roles (parts in relationships, which may be unary, binary or higher order). ORM provides both graphical and textual languages that enable models to be expressed naturally. For data modelling purposes, its graphical language is more expressive than ER or UML.
- occupation groupings — a system of classifying people according to occupation, based originally on information obtained by government census and subsequently developed by market research. The classifications are used by the advertising industry to identify potential markets. The groups are A, B, C1, C2, D, and E
- off-the-job training — training which is carried out away from your normal place of work
- omega-minus particle — a baryon with strangeness −3, isotopic spin 0, and negative charge; predicted from the mathematics of the Eightfold Way and subsequently discovered. Symbol: Ω −.
- on the drawing board — in the planning stage
- ontological argument — an a priori argument for the existence of God, asserting that as existence is a perfection, and as God is conceived of as the most perfect being, it follows that God must exist; originated by Anselm, later used by Duns Scotus, Descartes, and Leibniz.
- open learning centre — an establishment which provides further education on a flexible part-time basis
- operant conditioning — conditioning (def 1).
- operating conditions — Operating conditions are a set of conditions for operating a particular system or process.
- operational strategy — a plan or set of plans for successfully running a business, etc
- operator overloading — overloading
- optical mark reading — the reading of marks by an optical device whereby the information can be stored in machine-readable form
- organization expense — the costs associated with organizing a business entity and bringing it into existence
- orthognathic surgery — the surgical correction of deformities or malpositions of the jaw.
- oscillating universe — a variant model of the closed universe in which the universe undergoes cycles of expansion and contraction.
- ovo-lacto vegetarian — a vegetarian who eats eggs and dairy products
- ovo-lacto-vegetarian — lacto-ovo-vegetarian.
- perpendicular gothic — the style of Gothic architecture in England during the 14th and 15th centuries, characterized by tracery having vertical lines, a four-centred arch, and fan vaulting
- philoprogenitiveness — producing offspring, especially abundantly; prolific.
- photogelatin process — collotype (def 1).
- phthalocyanine green — a pigment used in painting, derived from chlorinated copper phthalocyanine and characterized chiefly by its intense green color and permanence.
- poor man's something — a (cheaper) substitute for something
- postcode prescribing — the practice of prescribing more or less expensive and effective medical treatments to patients depending on where they live in a country, and which treatments their health board is willing and able to provide
- pound cost averaging — a method of accumulating capital by investing a fixed sum in a particular security at regular intervals, in order to achieve an average purchase price below the arithmetic average of the market prices on the purchase dates
- prescription glasses — corrective spectacles
- presentation manager — The elephantine graphical user interface to the OS/2 operating system.
- price-earnings ratio — the current price of a share of common stock divided by earnings per share over a 12-month period, often used in stock evaluation. Abbreviation: p/e.
- pride of the morning — light mist or precipitation observed at sea in the morning and regarded as indicating a fine day.
- private investigator — private detective. Abbreviation: PI, p.i., P.I.
- production agreement — a contract concerning the production or manufacture of something
- proof of the pudding — the true value or quality of something, as seen when it is experienced, tried, or put to use: The proof of the pudding for a business is what customers say about it.
- proportional spacing — a feature of some typewriters and other output devices whereby the space allotted to each character is determined by the width of the character
- prosecuting attorney — the public officer in a county, district, or other jurisdiction charged with carrying on the prosecution in criminal proceedings.
- psychometric testing — the use of psychometric tests, often as a selection method
- quaker meeting house — a place where Quakers gather for worship