15-letter words containing p, i, n, t, o
- nonoccupational — of or relating to an occupation, trade, or calling: occupational guidance.
- nonpartisanship — The quality of not being partisan, of remaining politically independent.
- nonphotographic — not involving photographic equipment or techniques
- nonprecedential — Not precedential.
- nonprescription — (of drugs, medication, etc.) legally available for purchase without a doctor's prescription; over-the-counter.
- nonprescriptive — that prescribes; giving directions or injunctions: a prescriptive letter from an anxious father.
- nonproportional — having due proportion; corresponding.
- nonpsychiatrist — a person who is not a psychiatrist
- nonpsychoactive — Not psychoactive.
- nonreproductive — Not able to reproduce; sterile.
- nonstereoscopic — Not stereoscopic.
- northern paiute — a member of an American Indian people of Nevada, Oregon, and California, allied to the Paiute.
- nucleophilicity — (uncountable) The condition of being nucleophilic.
- null hypothesis — (in the statistical testing of a hypothesis) the hypothesis to be tested.
- odd permutation — a permutation of a set of n elements, x 1 , x 2 , …, xn, which permutes the product of all differences of the form (xi – xj), where i is less than j, into the negative of the product.
- offset printing — offset (def 6).
- oil tanker pier — An oil tanker pier is a structure over water where oil tankers can stop and load or unload.
- oil-based paint — any paint made with a drying oil or solvent such as linseed
- on prescription — If a medicine is available on prescription, you can only get it from a chemist or pharmacist if a doctor gives you a prescription for it.
- on the point of — a sharp or tapering end, as of a dagger.
- onychocryptosis — a form of nail disease in which nails are ingrown
- open convention — a party convention at which delegates are free to vote for the candidate of their choice.
- open university — higher education by correspondence
- open-cut mining — mining by excavating from the surface
- open-pit mining — a method of mining, usually for metallic ores, in which the waste and ore are completely removed from the sides and bottom of a pit which gradually becomes an enormous canyonlike hole
- open-pollinated — (of a flower) pollinated without human agency.
- opencast mining — mining by excavating from the surface
- opening batsman — a player who bats the first ball in cricket
- operating cycle — the period of time between starting a business and making a profit
- operating table — table on which surgery is performed
- operationalised — Simple past tense and past participle of operationalise.
- operationalized — Simple past tense and past participle of operationalize.
- operations room — a room from which all the operations of a military, police, or other disciplined activity are controlled
- opinionatedness — The state or condition of being opinionated.
- opisthognathous — having receding jaws.
- opposite number — counterpart; equivalent: New members with an interest in folk art will find their opposite numbers in the association's directory.
- opposition hold — a particular way of holding rock in mountain-climbing
- oppositionality — Quality of being oppositional.
- optical printer — a film printer used in making optical effects, consisting basically of a camera that photographs the image with special lenses to enlarge, reduce, distort, etc., and a projector that transfers the image to the print stock, as distinguished from a contact printer.
- optical pumping — a method for increasing the number of atoms or molecules occupying higher energy levels by irradiating them with light of the proper frequencies to raise them to those levels.
- optical scanner — the process of interpreting data in printed, handwritten, bar-code, or other visual form by a device (optical scanner or reader) that scans and identifies the data.
- optical tooling — the technique of establishing precise reference lines and planes by means of telescopic sights, especially for the purpose of aligning machinery, machine-shop work, etc.
- optoelectronics — the branch of electronics dealing with devices that generate, transform, transmit, or sense optical, infrared, or ultraviolet radiation, as cathode-ray tubes, electroluminescent and liquid crystal displays, lasers, and solar cells.
- oriental carpet — Oriental rug.
- ornithodelphian — of or relating to mammals of the class Ornithodelphia
- out in the open — knowledge: public
- outdoorsmanship — a person devoted to outdoor sports and recreational activities, as hiking, hunting, fishing, or camping.
- over-passionate — having, compelled by, or ruled by intense emotion or strong feeling; fervid: a passionate advocate of socialism.
- over-population — to fill with an excessive number of people, straining available resources and facilities: Expanding industry has overpopulated the western suburbs.
- overapplication — excessive application