20-letter words containing i, g, n

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.
most significant bit — (MSB) Bit n-1 in an n bit binary number, the bit with the greatest weight (2^(n-1)). The first or leftmost bit when the number is written in the usual way.
multicast addressing — Ethernet addressing scheme used to send packets to devices of a certain type or for broadcasting to all nodes. The least significant bit of the most significant byte of a multi-cast address is one.
navigable semicircle — the less violent half of a cyclone; the half blowing in the direction opposite to that in which the cyclone is moving and in which a vessel can run before the wind.
negative campaigning — political campaigning in which a politician or party focuses on criticizing another politician or party rather than emphasizing their own positive qualities
negative electricity — the electricity present in a body or substance that has an excess of electrons, as the electricity developed on a resin when rubbed with flannel.
neighbourhood warden — a person employed by a local authority to patrol residential areas and deal with antisocial behaviour
nephroangiosclerosis — (pathology) sclerosis of the renal arterioles.
net register tonnage — the taxable gross tonnage of a merchant ship.
neurophysiologically — In terms of, or with regard to, neurophysiology.
neuropsychologically — In terms of or by means of neuropsychology.
nictitating membrane — a thin membrane, or inner or third eyelid, present in many animals, capable of being drawn across the eyeball, as for protection.
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
no lack of something — If you say there is no lack of something, you are emphasizing that there is a great deal of it.
nodding acquaintance — a slight, incomplete, or superficial knowledge (of something or someone): He had only a nodding acquaintance with Italian and didn't trust it to get him through the tour. Although we were neighbors for several years, we had only a nodding acquaintance.
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.
noncondensing engine — a steam engine releasing exhaust steam to the atmosphere rather than condensing it to hot feedwater.
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
nostalgie de la boue — a desire for or attraction to crudity, vulgarity, depravity, etc.
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
ode on a grecian urn — a poem (1819) by Keats.
ode to a nightingale — a poem (1819) by Keats.
off-the-job training — training which is carried out away from your normal place of work
old english sheepdog — one of an English breed of large working dogs having a long, shaggy, gray or blue-merle and white coat that hangs over the eyes, and a bobbed tail, originally developed to drive sheep and cattle.
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
order bill of lading — a bill of lading that is issued to the order of a shipper or consignee for delivery of the goods and that can be transferred by endorsement to third parties.
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.
oxyacetylene welding — welding using an oxyacetylene burner
pan-american highway — a road system proposed in the 1920s linking nations of the Western Hemisphere, extending from Alaska to Santiago, Chile, with some gaps remaining in Panama and Colombia. The section between Nuevo Laredo, Mexico and Panama City is known as the Inter-American Highway Total length about 16,000 miles (25,744 km).
paranoid programming — (programming) A programming style that tries to prepare for the worst external conditions, including incorrect input, resource limitations, hardware and software failure and even can't happen errors, to the fullest possible extent. While some believe in the motto "professional programming is paranoid programming", the expression usually has the connotation that the efforts are unnecessary or too costly ("Maybe this code is just paranoid programming, but I think it is necessary to avoid a possible overflow condition".)
patagonian toothfish — a large food fish, Dissostichus eleginoides, found in the cold deep waters of the southern Atlantic and Indian oceans
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

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