15-letter words containing a, l, r, c, o
- polycarboxylate — a salt or ester of a polycarboxylic acid. Polycarboxylate esters are used in certain detergents
- polychlorinated — having multiple chlorine atoms
- polycrystalline — (of a rock or metal) composed of aggregates of individual crystals.
- polymorphically — in a polymorphic manner
- popular culture — cultural activities or commercial products reflecting, suited to, or aimed at the tastes of the general masses of people.
- portland cement — a type of hydraulic cement usually made by burning a mixture of limestone and clay in a kiln.
- pre-celebration — an act of celebrating.
- pre-contractual — a preexisting contract that legally prevents a person from making another contract of the same nature.
- preconceptional — a conception or opinion formed beforehand.
- 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.
- price inflation — inflation fuelled by rising prices
- prince of wales — Prince of Wales and Duke of Cornwall ("The Black Prince") 1330–76, English military leader (son of Edward III).
- principal focus — focal point (def 1).
- principal point — the point where a principal plane intersects the axis.
- prism binocular — Usually, prism binoculars. Optics. binocular (def 1).
- problematically — of the nature of a problem; doubtful; uncertain; questionable.
- processionalist — a member of a procession
- pronunciational — relating to pronunciation
- proteolytically — by a proteolytic process
- pseudo-critical — inclined to find fault or to judge with severity, often too readily.
- psychographical — relating to psychographics
- public lavatory — a public toilet
- pulmobranchiate — possessing a pulmobranch
- pyrocrystalline — crystallized from a molten magma or highly heated solution.
- 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.
- pyrotechnically — in a pyrotechnical manner
- quadruplication — one of four copies or identical items, especially copies of typewritten material.
- quality control — a system for verifying and maintaining a desired level of quality in an existing product or service by careful planning, use of proper equipment, continued inspection, and corrective action as required.
- quasihistorical — of, pertaining to, treating, or characteristic of history or past events: historical records; historical research.
- quiche lorraine — a quiche containing bits of bacon or ham and often cheese.
- racial minority — a group of a certain race that are in the minority compared to a larger group, the rest of the population, etc
- radar telescope — (in radar astronomy) a very large radar antenna used to study planetary bodies in the solar system.
- radial velocity — the component of the motion of a star away from or toward the earth along its line of sight, expressed in miles or kilometers per second and determined by the shift in the wavelength of light emitted by the star.
- 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.
- radiochemically — by radiochemical means or methods; from a radiochemical perspective
- radiometrically — using a radiometric method, in terms of radiometry
- radiotechnology — the technical application of any form of radiation to industry.
- radiotelemetric — of or relating to radiotelemetry
- rape of lucrece — a narrative poem (1594) by Shakespeare.
- reality fiction — a satirical parody of a reality TV show
- reception class — A reception class is a class that children go into when they first start school at the age of four or five.
- recognizability — to identify as something or someone previously seen, known, etc.: He had changed so much that one could scarcely recognize him.
- recoil-operated — employing the recoil force of an explosive projectile to prepare the firing mechanism for the next shot.
- recombinational — belonging or relating to recombination
- reconceptualize — to form into a concept; make a concept of.
- reconcilability — capable of being reconciled.
- reconsolidation — an act or instance of consolidating; the state of being consolidated; unification: consolidation of companies.
- reconstitutable — to constitute again; reconstruct; recompose.
- recontextualize — to contextualize (something) again