18-letter words containing p, r, o, m, t
- neuroophthalmology — the branch of ophthalmology that deals with the optic nerve and other nervous system structures involved in vision.
- non-impact printer — a printer that creates images without mechanically impacting the page, as an ink-jet or laser printer.
- nonpreferentialism — of, relating to, or of the nature of preference: preferential policies.
- normally aspirated — A normally aspirated or naturally aspirated engine breathes air at atmospheric pressure.
- operations manager — business director
- optical microscope — traditional magnifying instrument
- outer automorphism — an automorphism that is not an inner automorphism.
- outreach programme — a programme designed to help and encourage disadvantaged members of the community
- parallactic motion — the apparent motion of stars due to the earth's orbital motion.
- parallel computing — parallel processing
- parallel importing — the importing of certain goods, esp pharmaceutical drugs, by dealers who undersell local manufacturers
- pathname separator — (file system) The character used to separate elements of a path or pathname. Under Unix and POSIX.1 compliant systems the pathname separator is the (forward) slash, in MS-DOS backslash serves the same purpose. For obvious reasons the no directory or file name can contain this character.
- peppermint camphor — menthol.
- performance artist — an artist that is involved in a theatrical presentation that incorporates various art forms, such as dance, sculpture, music, etc
- personal exemption — Your personal exemption is the amount of money that is deducted from your gross income before you have to start paying income tax.
- petroleum engineer — A petroleum engineer is an engineer who is involved in most stages of oil and gas field evaluation, development, and production, whose job is to maximize hydrocarbon recovery and reduce costs and environmental impact.
- phantasmagorically — having a fantastic or deceptive appearance, as something in a dream or created by the imagination.
- phantom withdrawal — the unauthorized removal of funds from a bank account using an automated teller machine
- philharmonic pitch — a standard of pitch in which A above middle C is established at 440 vibrations per second.
- photoisomerization — isomerization induced by light.
- photomorphogenesis — plant development that is controlled by light.
- plane trigonometry — the branch of trigonometry dealing with plane triangles.
- pneumatic conveyor — a tube through which powdered or granular material, such as cement, grain, etc is transported by a flow of air
- pollen mother cell — one of the mother cells that produce four microspores by meiosis.
- polychromatophilic — having an affinity for more than one kind of stain, especially for acid, neutral, and basic stains, as polychromatophilic erythroblasts characteristic of pernicious anemia.
- polystyrene cement — a purpose-made adhesive for fixing rigid polystyrene
- population pyramid — a graph showing the distribution of a population by sex, age, etc.
- portable equipment — Portable equipment is electrical equipment that can easily be moved from one place to another while in operation or while connected to the supply.
- post-impressionism — a varied development of Impressionism by a group of painters chiefly between 1880 and 1900 stressing formal structure, as with Cézanne and Seurat, or the expressive possibilities of form and color, as with Van Gogh and Gauguin.
- postmaster general — the executive head of the postal system of a country.
- postmillenarianism — postmillennialism.
- postviral syndrome — debilitating condition occurring as a sequel to viral illness
- potassium chlorate — a white or colorless, crystalline, water-soluble, poisonous solid, KClO 3 , used chiefly as an oxidizing agent in the manufacture of explosives, fireworks, matches, bleaches, and disinfectants.
- potassium chloride — a white or colorless, crystalline, water-soluble solid, KCl, used chiefly in the manufacture of fertilizers and mineral water, and as a source of other potassium compounds.
- potassium fluoride — a white, crystalline, hygroscopic, toxic powder, KF, used chiefly as an insecticide, a disinfectant, and in etching glass.
- potassium myronate — sinigrin.
- pragmatic sanction — any one of various imperial decrees with the effect of fundamental law.
- precious moonstone — moonstone (def 1).
- presumption of law — a presumption based upon a policy of law or a general rule and not upon the facts or evidence in an individual case.
- primate of england — a title of the archbishop of Canterbury.
- prism spectrometer — an optical device for measuring wavelengths, deviation of refracted rays, and angles between faces of a prism, especially an instrument (prism spectrometer) consisting of a slit through which light passes, a collimator, a prism that deviates the light, and a telescope through which the deviated light is viewed and examined.
- processionary moth — a moth of the family Thaumetopoeidae, esp the oak processionary moth (Thaumetopoea processionea), the larvae of which leave the communal shelter nightly for food in a V-shaped procession
- production company — an organization which produces, films, plays, television or radio programmes
- production manager — a supervisor of the budget, crew and other details in the production of a film or play
- programme of study — the prescribed syllabus that pupils must be taught at each key stage in the National Curriculum
- project management — leadership of a task or programme
- projection machine — an apparatus that projects motion pictures; projector.
- prometheus unbound — a drama in verse (1820) by Shelley.
- promotion campaign — a campaign designed to encourage the sale of (a product) by advertising or securing financial support
- proportional limit — elastic limit.