22-letter words containing o, c, a, n

mathematical induction — induction (def 5).
mechanical ventilation — life-support provided by respirator
miscellaneous expenses — small expenses of various kinds
modified american plan — (in hotels) a system of paying a single fixed rate that covers room, breakfast, and one other meal, usually dinner. Abbreviation: MAP.
molecular distillation — a vacuum distillation in which the molecules of the distillate reach the condenser before colliding with one another.
most significant digit — the digit farthest to the left in a number. Abbreviation: MSD.
mother carey's chicken — any of various small petrels, especially the stormy petrel, Oceanites oceanicus.
motorcycle combination — a motorcycle with a sidecar attached
mozilla public license — Open source license
much ado about nothing — a comedy (1598?) by Shakespeare.
myalgic encephalopathy — a condition characterized by painful muscles, extreme fatigue, and general debility, sometimes occurring as a sequel to viral illness
nassella tussock board — one of many local statutory organizations set up in different regions of New Zealand to eradicate the invasive nassella tussock weed
national semiconductor — (company) A semiconductor manufacturer, responsible for the SC/MP, National Semiconductor 16000 and National Semiconductor 32000 series of microprocessors.
natural classification — classification of organisms according to relationships based on descent from a common ancestor
negative hallucination — an apparent abnormal inability to perceive an object
negative reinforcement — form of conditioning
network interface card — network interface controller
network node interface — (networking) (NNI) The ATM Forum's specification for connections between network nodes. NNI makes network routing possible. It typically refers to backbone trunk connections between ATM switching equipment. See also: UNI.
nitrohydrochloric acid — aqua regia.
nkosi sikelel' iafrica — the unofficial anthem of the Black people of South Africa, officially recognized as a national anthem (along with parts of 'Die Stem' and an English verse) in 1991
no room to swing a cat — If you say 'There's no room to swing a cat' or 'You can't swing a cat', you mean that the place you are talking about is very small or crowded.
nodal switching system — (NSS) Main routing nodes in the NSFnet backbone.
nominal semidestructor — (abuse) Slang for "National Semiconductor", found among other places in the 4.3BSD networking sources. During the late 1970s to mid-1980s this company marketed a series of microprocessors including the National Semiconductor 16000 and National Semiconductor 32000. At one point early in the great microprocessor race, the specs on these chips made them look like serious competition for the rising Intel 80x86 and Motorola 680x0 series. Unfortunately, the actual parts were notoriously flaky and never implemented the full instruction set promised in their literature, apparently because the company couldn't get any of the mask steppings to work as designed. They eventually sank without trace, joining the Zilog Z8000 and a few even more obscure also-rans in the graveyard of forgotten microprocessors.
non-euclidean geometry — geometry based upon one or more postulates that differ from those of Euclid, especially from the postulate that only one line may be drawn through a given point parallel to a given line.
non-restrictive clause — a relative clause that describes or supplements but is not essential in establishing the identity of the antecedent and is usually set off by commas in English. In This year, which has been dry, is bad for crops the clause which has been dry is a nonrestrictive clause.
nonspecular reflection — the diffuse reflection of sound or light waves
nonterminating decimal — a decimal numeral that does not end in an infinite sequence of zeros (contrasted with terminating decimal).
normal order reduction — Under this evaluation strategy an expression is evaluated by reducing the leftmost outermost redex first. This method will terminate for any expression for which termination is possible, whereas applicative order reduction may not. This method is equivalent to passing arguments unevaluated because arguments are initially to the right of functions applied to them. See also computational adequacy theorem.
north atlantic current — an ocean current flowing NE toward the British Isles, formed by the convergence of the Gulf Stream and the Labrador Current SE of Newfoundland.
northern redbelly dace — any of the small, brightly colored North American freshwater cyprinids, especially Phoxinus oreas (northern redbelly dace) and P. erythrogaster (southern redbelly dace)
oak processionary moth — a moth, (Thaumetopoea processionea), of the family Thaumetopoeidae, the larvae of which leave the communal shelter nightly for food in a V-shaped procession
object-oriented pascal — Object Pascal
obtaining by deception — the offence of dishonestly obtaining the property of another by some deception or misrepresentation of facts
occupational therapist — professional who assists with rehabilitation
ocean marine insurance — insurance covering risks involving the transporting of persons or goods on the high seas.
oceanic whitetip shark — whitetip shark (def 2).
office of fair trading — a government department established in the UK in 1973, which acts as an economic regulator, responsible for ensuring fairness in consumer protection and competition law
on (or off) the track — keeping to (or straying from) the subject, objective, or goal
on someone's coattails — the back of the skirt on a man's coat or jacket.
on the crest of a wave — If you say that you are on the crest of a wave, you mean that you are feeling very happy and confident because things are going well for you.
open source initiative — (body) (OSI) An organisation dedicated to managing and promoting the Open Source Definition for the good of the community.
operating instructions — instructions on how to use something (such an electrical appliance, etc)
organizational culture — the customs, rituals, and values shared by the members of an organization that have to be accepted by new members
otorhinolaryngological — of or relating to the medical practice involving the ear, nose, and throat.
outline specifications — preliminary specifications or plans on which later plans are based
overstay one's welcome — to stay (at a party, on a visit, etc), longer than pleases the host or hostess
packet internet groper — ping
paddle one's own canoe — any of various slender, open boats, tapering to a point at both ends, propelled by paddles or sometimes sails and traditionally formed of light framework covered with bark, skins, or canvas, or formed from a dug-out or burned-out log or logs, and now usually made of aluminum, fiberglass, etc.
para-aminobenzoic acid — part of the folic acid molecule, a white or yellowish, crystalline, slightly water-soluble solid, C 7 H 7 NO 2 , the para isomer of aminobenzoic acid: used chiefly in the manufacture of dyes and pharmaceuticals and in sunscreens to protect against ultraviolet light. Abbreviation: PABA.
paranoid schizophrenia — severe psychiatric disorder

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