20-letter words containing p, a, r, l, n, e
- complementary colour — one of any pair of colours, such as yellow and blue, that give white or grey when mixed in the correct proportions
- complementary strand — either of the two chains that make up a double helix of DNA, with corresponding positions on the two chains being composed of a pair of complementary bases.
- conformal projection — a map projection in which angles formed by lines are preserved: a map made using this projection preserves the shape of any small area.
- coordination complex — one of a number of complex compounds in which an atom or group of atoms is bound to the central atom by a shared pair of electrons supplied by the coordinated group and not by the central atom
- corresponding angles — a pair of nonadjacent angles, one interior and one exterior, on the same side of a transversal: these paired angles are equal if the lines cut by the transversal are parallel
- council-manager plan — (in the US) a system of local government with an elected legislative council and an appointed administrative manager
- counterproliferation — Action intended to prevent an increase or spread in the possession of nuclear weapons.
- craniosacral therapy — a form of therapy for various disorders in which the therapist manipulates the bones of the skull
- criminal proceedings — action taken in a court to bring a criminal prosecution against someone
- cross someone's palm — to give someone money
- decahydronaphthalene — a colorless, aromatic liquid, C 10 H 18 , insoluble in water and soluble in alcohol and ether: used as a solvent for oils, fats, etc., in cleaning fluids, lubricants, etc.
- decompartmentalizing — Present participle of decompartmentalize.
- denali national park — a national park in S central Alaska, including Denali (mountain). 3030 sq. mi. (7850 sq. km).
- department of health — government ministry for health matters
- developing-out paper — a sensitized printing paper requiring development in order to bring out the image. Abbreviation: D.O.P.
- difference amplifier — A difference amplifier is a device that amplifies the difference between two inputs, rejecting any signals common to both.
- differential pricing — a situation in which different prices are charged for the same product or service
- disciplinary hearing — a hearing at which the conduct of a member of an organization, profession etc is examined and a punishment may be handed down
- displacement current — the rate of change, at any point in space, of electric displacement with time.
- dolly varden pattern — a fabric print consisting of bouquets of flowers.
- drum and bugle corps — a marching band of drum players and buglers.
- ecological footprint — a mark left by the shod or unshod foot, as in earth or sand.
- ecumenical patriarch — the patriarch of Constantinople, regarded as the highest dignitary of the Greek Orthodox Church.
- electroencephalogram — A test or record of brain activity produced by electroencephalography.
- electromagnetic pump — a device for pumping liquid metals by placing a pipe between the poles of an electromagnet and passing a current through the liquid metal
- elephant in the room — an obvious truth deliberately ignored by all parties in a situation
- environmental impact — the impact on the environment created by an industry, service, plan, or project
- epidural anaesthesia — numbing injection in the spine
- epitaxial transistor — a transistor made by depositing a thin pure layer of semiconductor material (epitaxial layer) onto a crystalline support by epitaxy. The layer acts as one of the electrode regions, usually the collector
- equivalent air speed — the speed at sea level that would produce the same Pitot-static tube reading as that measured at altitude
- european social fund — one of the four Structural Funds of the European Union which aims to support employment and the economic and social well-being of EU member countries
- external respiration — exchange of oxygen and carbon dioxide across external or respiratory surfaces, as gills or lungs, in multicellular organisms
- flame-fusion process — Verneuil process.
- fore-and-aft topsail — gaff topsail (def 1).
- fore-topgallant mast — the spar or section of a spar forming the topgallant portion of a foremast on a ship.
- forty-ninth parallel — an informal name for the Canadian border with the USA, which is in part delineated by the parallel line of latitude at 49°N
- freefall parachuting — a variety of parachuting in which the jumper manoeuvres in free fall before opening the parachute
- frontenac et palluau — Comte de (Louis de Buade) 1620?–98, French governor of New France 1672–82, 1689–98.
- fundamental particle — elementary particle.
- general postal union — former name of Universal Postal Union. Abbreviation: GPU.
- general practitioner — a medical practitioner whose practice is not limited to any specific branch of medicine or class of diseases. Abbreviation: G.P.
- general public virus — (software, legal) A pejorative name for some versions of the GNU project copyleft or General Public License (GPL), which requires that any tools or application programs incorporating copylefted code must be source-distributed on the same terms as GNU code. Thus it is alleged that the copyleft "infects" software generated with GNU tools, which may in turn infect other software that reuses any of its code.
- generative phonology — a theory of phonology that uses a set of rules to derive phonetic representations from abstract underlying forms.
- gingival hyperplasia — Gingival hyperplasia is abnormal enlargement of the gums.
- gorno-altai republic — a constituent republic of S Russia: mountainous, rising over 4350 m (14 500 ft) in the Altai Mountains of the south. Capital: Gorno-Altaisk. Pop: 202 900 (2002). Area: 92 600 sq km (35 740 sq miles)
- group life insurance — a form of life insurance available to members of a group, typically employees of a company, under a master policy.
- hampton court palace — a royal palace in Hampton, London, built in 1515 by Cardinal Wolsey
- hard gelatin capsule — A hard gelatin capsule is a type of capsule that is usually used to contain medicine in the form of dry powder or very small pellets.
- helicopter parenting — a style of child rearing in which an overprotective mother or father discourages a child's independence by being too involved in the child's life: In typical helicopter parenting, a mother or father swoops in at any sign of challenge or discomfort.
- high-energy particle — Physics