19-letter words containing o, f, a, l, n
- negation by failure — An extralogical feature of Prolog and other logic programming languages in which failure of unification is treated as establishing the negation of a relation. For example, if Ronald Reagan is not in our database and we asked if he was an American, Prolog would answer "no".
- non-confidentiality — spoken, written, acted on, etc., in strict privacy or secrecy; secret: a confidential remark.
- non-confrontational — tending toward or ready for confrontation: They came to the meeting with a confrontational attitude.
- non-transferability — to convey or remove from one place, person, etc., to another: He transferred the package from one hand to the other.
- nonforfeiture value — any benefit, as cash or other form of insurance, available to a life-insurance policyholder who discontinues premium payments on the policy.
- nordrhein-westfalen — German name of North Rhine-Westphalia.
- norfolk island pine — a coniferous evergreen tree, Araucaria heterophylla (or A. excelsa), having whorled branches and needlelike foliage, widely cultivated as a houseplant.
- on someone's behalf — in / on behalf of, as a representative of or a proxy for: On behalf of my colleagues, I address you tonight.
- open the floodgates — If events open the floodgates to something, they make it possible for that thing to happen much more often or much more seriously than before.
- orange flower water — a distilled infusion of orange blossom, used in cakes, confectionery, etc
- oriental fruit moth — a moth, Grapholitha molesta, introduced into the U.S. from Asia, the larvae of which infest and feed on the twigs and fruits of peach, plum, and related trees.
- own flesh and blood — If you say that someone is your own flesh and blood, you are emphasizing that they are a member of your family.
- personal watercraft — a jet-propelled boat ridden like a motorcycle.
- phacoemulsification — the removal of a cataract by first liquefying the affected lens with ultrasonic vibrations and then extracting it by suction.
- phakoemulsification — the removal of a cataract by first liquefying the affected lens with ultrasonic vibrations and then extracting it by suction.
- pistol-handle knife — a table knife, especially of the 18th century, having a slightly curved handle resembling the grip of a flintlock pistol.
- plastic deformation — In plastic deformation a material changes shape when a stress is applied to it and does not go back to its original state when the stress is removed.
- play fast and loose — a dramatic composition or piece; drama.
- post-and-rail fence — a fence constructed of upright wooden posts with horizontal timber slotted through it
- preferential voting — a system of voting designed to permit the voter to indicate an order of preference for the candidates on the ballot.
- pride-of-california — a shrubby plant, Lathyrus splendens, of the legume family, native to southern California, having showy clusters of pale rose-pink, violet, or magenta flowers and large, smooth, beaked pods.
- production platform — offshore power station
- professional advice — advice given by someone trained in a particular and relevant profession or job
- professional school — a postgraduate school or college which trains students for a particular profession
- professionalization — to give a professional character or status to; make into or establish as a profession.
- pseudo-professional — following an occupation as a means of livelihood or for gain: a professional builder.
- relief organization — humanitarian group
- republic of ireland — John, 1838–1918, U.S. Roman Catholic clergyman and social reformer, born in Ireland: archbishop of St. Paul, Minn., 1888–1918.
- republic of vietnam — the name (from 1955–75) for South Vietnam, as an independent republic, following the division of the country in 1954 into North Vietnam and South Vietnam
- reticular formation — a network of neurons in the brainstem involved in consciousness, regulation of breathing, the transmission of sensory stimuli to higher brain centers, and the constantly shifting muscular activity that supports the body against gravity.
- revival of learning — the Renaissance in its relation to learning, especially in literature (Revival of Literature or Revival of Letters)
- san fernando valley — valley in SW Calif., partly in NW Los Angeles: c. 260 sq mi (673 sq km)
- sea floor spreading — a process in which new ocean floor is created as molten material from the earth's mantle rises in margins between plates or ridges and spreads out.
- sea of tranquillity — Astronomy. Mare Tranquillitatis.
- sea-floor spreading — a process in which new ocean floor is created as molten material from the earth's mantle rises in margins between plates or ridges and spreads out.
- self identification — identification of oneself with some other person or thing.
- self-administration — the management of any office, business, or organization; direction.
- self-congratulating — the expression or feeling of uncritical satisfaction with oneself or one's own accomplishment, good fortune, etc.; complacency.
- self-congratulation — the expression or feeling of uncritical satisfaction with oneself or one's own accomplishment, good fortune, etc.; complacency.
- self-congratulatory — the expression or feeling of uncritical satisfaction with oneself or one's own accomplishment, good fortune, etc.; complacency.
- self-discrimination — an act or instance of discriminating, or of making a distinction.
- self-identification — identification of oneself with some other person or thing.
- self-interpretation — the act of interpreting; elucidation; explication: This writer's work demands interpretation.
- self-representation — the act of representing.
- self-transformation — the act or process of transforming.
- sentential function — an expression that contains one or more variables and becomes meaningful when suitable constant terms are substituted for them.
- shopping facilities — shops or other retail services
- siberian wallflower — a North American plant, Erysimum asperum, of the mustard family, having orange-yellow flowers.
- specular reflection — Specular reflection is reflection of heat or light in which the angles of different parts of the surface are important.
- speculative fiction — a broad literary genre encompassing any fiction with supernatural, fantastical, or futuristic elements