15-letter words containing i, r, d, e, a
- prekindergarten — a school or class for young children between the ages of four and six years.
- premier danseur — the leading male dancer in a ballet company.
- premodification — an act or instance of modifying.
- prepaid expense — A prepaid expense is an expense that has been paid for before it is incurred, and that is treated as an asset.
- prepresidential — describing the period before a person's rise to presidency
- presidents' day — the third Monday in February, a legal holiday in the U.S., commemorating the birthdays of George Washington and Abraham Lincoln.
- prestidigitator — sleight of hand; legerdemain.
- primo de rivera — Miguel [mee-gel] /miˈgɛl/ (Show IPA), Marqués de Estella [mahr-kes th e es-te-lyah] /mɑrˈkɛs ðɛ ɛsˈtɛ lyɑ/ (Show IPA), (Miguel Prima de Rivera y Orbaneja) 1870–1930, Spanish general and political leader: dictator of Spain 1923–29.
- 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.
- private pay bed — (in Britain) a bed in a National Health Service hospital, reserved for private patients who pay a consultant acting privately for treatment and who are charged by the health service for use of hospital facilities
- private soldier — A private soldier is a soldier of the lowest rank in an army or the marines.
- privately owned — owned by a private individual or organization, rather than by the state or a public body
- probation order — an order imposed by a magistrate or judge under which an offender is sentenced to probation rather than imprisonment
- proletarianized — to convert or transform into a member or members of the proletariat: to proletarianize the middle class.
- propionaldehyde — a colorless, water-soluble liquid, C 3 H 6 O, having a pungent odor: used chiefly in the manufacture of plastics.
- pseudepigraphon — any book of the Pseudepigrapha
- 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-military — of, for, or pertaining to the army or armed forces, often as distinguished from the navy: from civilian to military life.
- pseudo-romantic — of, relating to, or of the nature of romance; characteristic or suggestive of the world of romance: a romantic adventure.
- pseudoarthrosis — a joint formed by fibrous tissue bridging the gap between the two fragments of bone of an old fracture that have not united
- pseudoparalysis — the inability to move a part of the body owing to factors, as pain, other than those causing actual paralysis.
- pseudotripteral — having an arrangement of columns suggesting a tripteral structure but without the inner colonnades.
- psychedelicware — /si:"k*-del"-ik-weir/ [UK] Synonym display hack. See also smoking clover.
- pure and simple — sheer, utter
- pyramid selling — Pyramid selling is a method of selling in which one person buys a supply of a particular product direct from the manufacturer and then sells it to a number of other people at an increased price. These people sell it on to others in a similar way, but eventually the final buyers are only able to sell the product for less than they paid for it.
- pyrimidine base — any of a number of similar compounds having a basic structure that is derived from pyrimidine, including cytosine, thymine, and uracil, which are constituents of nucleic acids
- pyrometric bead — (in a kiln) a ball of material that indicates by changing color that a certain temperature has been reached.
- quadragenarians — Plural form of quadragenarian.
- quadric surface — a three-dimensional surface whose equation is a quadratic equation.
- quarter binding — a style of bookbinding in which the spine is leather and the sides are cloth or paper.
- radial symmetry — a basic body plan in which the organism can be divided into similar halves by passing a plane at any angle along a central axis, characteristic of sessile and bottom-dwelling animals, as the sea anemone and starfish.
- 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.
- radiant heating — the means of heating objects or persons by radiation in which the intervening air is not heated.
- radiator grille — a grille in an automobile or the like for air cooling of the liquid in the cooling system.
- radio announcer — someone who broadcasts or presents radio programmes
- radio frequency — the frequency of the transmitting waves of a given radio message or broadcast.
- radio programme — something that is broadcast on radio
- radio telephone — A radio telephone is a telephone which carries sound by sending radio signals rather than by using wires. Radio telephones are often used in cars.
- 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.
- radio-telephone — a telephone in which sound or speech is transmitted by means of radio waves instead of through wires or cables.
- radiochemically — by radiochemical means or methods; from a radiochemical perspective
- radiogoniometer — a device used to detect the direction of radio waves, consisting of a coil that is free to rotate within two fixed coils at right angles to each other
- radiogoniometry — the science of detecting the direction of radio waves
- radiometrically — using a radiometric method, in terms of radiometry
- radiomicrometer — an instrument for measuring small amounts of radiant energy, consisting of a sensitive thermocouple connected to a galvanometer.
- radioprotection — protection against radiation
- radioprotective — giving protection against the effects of radiation