20-letter words containing i, n, o, c

nummulitic limestone — limestone composed predominantly of fossil nummulites.
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.
objective complement — object complement.
occupation franchise — the right of a tenant to vote in national and local elections
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
occupational disease — Also called industrial disease. a disease caused by the conditions or hazards of a particular occupation.
occupational pension — a pension scheme provided for the members of a particular occupation or by a specific employer or group of employers
occupational therapy — a form of therapy in which patients are encouraged to engage in vocational tasks or expressive activities, as art or dance, usually in a social setting.
ode on a grecian urn — a poem (1819) by Keats.
of no/little account — If you say that something is of no account or of little account, you mean that it is very unimportant and is not worth considering.
olfactory anesthesia — absence or loss of the sense of smell.
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 that/this account — You can use on that account or on this account when you want to say that something happens for the reason you have just mentioned.
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 calculus — a method for solving a differential equation by treating differential operators as ordinary algebraic quantities, thus obtaining a simpler problem.
optical mark reading — the reading of marks by an optical device whereby the information can be stored in machine-readable form
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.
over-intellectualize — to seek or consider the rational content or form of.
overenthusiastically — With excessive enthusiasm.
ovo-lacto vegetarian — a vegetarian who eats eggs and dairy products
ovo-lacto-vegetarian — lacto-ovo-vegetarian.
owner-occupied house — a house that is owned by the person who lives in it
oxyacetylene welding — welding using an oxyacetylene burner
paper qualifications — qualifications gained through official examinations, etc, rather than through experience
para-dichlorobenzene — a white, crystalline, volatile, water-insoluble solid, C 6 H 4 Cl 2 , of the benzene series, having a penetrating odor: used chiefly as a moth repellent.
parametric equations — one of two or more equations expressing the location of a point on a curve or surface by determining each coordinate separately.
parataxic distortion — a distortion in perception, especially of interpersonal relationships, based on a tendency to perceive others in accordance with a pattern determined by previous experiences.
particle beam weapon — a weapon that fires particle beams into the atmosphere or space
peaceful coexistence — competition without war, or a policy of peace between nations of widely differing political systems and ideologies, especially between Communist and non-Communist nations: peaceful coexistence between the U.S. and the Soviet Union.
peculiar institution — black slavery in the southern U.S. before the Civil War.
pentose nucleic acid — a nucleic acid containing a pentose.
peremptory exception — a plea in bar of an action.
permonosulfuric acid — persulfuric acid (def 1).
peroxyacetyl nitrate — an unstable nitrogen compound, found in certain types of smog, that is an irritant, esp. to the eyes and to plants
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
personal cleanliness — physical cleanliness; the cleanliness of a person's body and habits
pessimising compiler — /pes'*-mi:z"ing k*m-pi:l"r/ (Antonym of "optimising compiler") A compiler that produces object code that is worse than the straightforward or obvious hand translation. The implication is that the compiler is actually trying to optimise the program, but through excessive cleverness is doing the opposite. A few pessimizing compilers have been written on purpose, however, as pranks or burlesques.
pest control officer — a person who gets rid of pests such as rats and mice
phosphoric anhydride — phosphorus pentoxide.
photoconductive cell — Electronics. a photocell whose resistance varies according to the intensity of light falling on it.
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.
physical examination — an examination, usually by a physician, of a person's body in order to determine his or her state of health or physical fitness, as for military service or participation in a sport.
physiologic jaundice — a transitory jaundice that affects some infants for the first few days after birth.
physiological saline — a salt solution that has the same osmotic pressure as that found in the blood or tissues
pick someone's brain — to obtain information or ideas from someone

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