15-letter words containing a, c, i, d, p, r
- phosphoric acid — any of three acids, orthophosphoric acid, H 3 PO 4 , metaphosphoric acid, HPO 3 , or pyrophosphoric acid, H 4 P 2 O 7 , derived from phosphorus pentoxide, P 2 O 5 , and various amounts of water.
- piano accordion — accordion (def 1).
- piano reduction — a musical score having the parts condensed or simplified in two staves, to render the music playable on the piano by one person.
- pied flycatcher — a small black and white migratory bird of Europe and western Asia, Ficedula hypoleuca
- pitcairn island — a small British island in the S Pacific, SE of Tuamotu Archipelago: settled 1790 by mutineers of the Bounty. 2 sq. mi. (5 sq. km).
- pneumatic drill — a percussive power drill powered by compressed air
- polychlorinated — having multiple chlorine atoms
- predicate logic — (logic) (Or "predicate calculus") An extension of propositional logic with separate symbols for predicates, subjects, and quantifiers. For example, where propositional logic might assign a single symbol P to the proposition "All men are mortal", predicate logic can define the predicate M(x) which asserts that the subject, x, is mortal and bind x with the universal quantifier ("For all"): All x . M(x) Higher-order predicate logic allows predicates to be the subjects of other predicates.
- prejudicialness — the trait of being prejudicial
- premodification — an act or instance of modifying.
- primary product — a product consisting of a natural raw material; an unmanufactured product
- prince's island — former name of Príncipe.
- principal ideal — the smallest ideal containing a given element in a ring; an ideal in a ring with a multiplicative identity, obtained by multiplying each element of the ring by one specified element.
- pseudo-artistic — conforming to the standards of art; satisfying aesthetic requirements: artistic productions.
- pseudo-critical — inclined to find fault or to judge with severity, often too readily.
- pseudo-dramatic — of or relating to the drama.
- pseudo-romantic — of, relating to, or of the nature of romance; characteristic or suggestive of the world of romance: a romantic adventure.
- psychedelicware — /si:"k*-del"-ik-weir/ [UK] Synonym display hack. See also smoking clover.
- pyramidal tract — any of four tracts of descending motor fibers that extend in pairs down each side of the spinal column and function in voluntary movement.
- pyrogallic acid — pyrogallol
- pyrogallic-acid — a white, crystalline, water-soluble, poisonous, solid, phenolic compound, C 6 H 3 (OH) 3 , obtained by heating gallic acid and water: used chiefly as a developer in photography, as a mordant for wool, in dyeing, and in medicine in the treatment of certain skin conditions.
- pyrometric bead — (in a kiln) a ball of material that indicates by changing color that a certain temperature has been reached.
- quadruplication — one of four copies or identical items, especially copies of typewritten material.
- rack-and-pinion — of or relating to a mechanism in which a rack engages a pinion: rack-and-pinion steering.
- radio telescope — a system consisting of an antenna, either parabolic or dipolar, used to gather radio waves emitted by celestial sources and bring them to a receiver placed in the focus.
- radioprotection — protection against radiation
- radioprotective — giving protection against the effects of radiation
- recoil-operated — employing the recoil force of an explosive projectile to prepare the firing mechanism for the next shot.
- red-back spider — a venomous spider, Latrodectus hasselti, of Australia and New Zealand, related to the black widow spider and having a bright red stripe on the back.
- reduplicatively — in a reduplicative manner
- self-proclaimed — to announce or declare in an official or formal manner: to proclaim war.
- shopping arcade — a place where a number of shops are connected together under one roof
- side impact bar — A side impact bar is a long beam in a car door that is designed to protect passengers during a crash.
- speed indicator — an instrument for counting the number of revolutions of a gasoline engine.
- sprinkler dance — a celebratory dance in which participants extend one arm and shake it to imitate the action of a rotating water sprinkler
- sulphurous acid — an unstable acid produced when sulphur dioxide dissolves in water: used as a preservative for food and a bleaching agent. Formula: H2SO3
- surface-ripened — (of cheese) ripened on the surface by molds or other microorganisms.
- trading capital — the total amount of money available for buying assets
- trading company — a company that is owned by the people who have bought shares in that company
- treacle pudding — a sponge cake with syrup on top
- tricuspid valve — the valve, consisting of three triangular flaps of tissue between the right auricle and ventricle of the heart, that keeps blood from flowing back into the auricle.
- undercapitalize — to provide an insufficient amount of capital for (a business enterprise).
- unpractisedness — the quality or state of being unpractised