15-letter words containing d, e, t, r, i, a
- pre-deprivation — the act of depriving.
- pre-established — to establish beforehand.
- predeterminable — able to be predetermined; able to be determined in advance
- 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.
- prekindergarten — a school or class for young children between the ages of four and six years.
- premodification — an act or instance of modifying.
- 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.
- 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.
- 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
- pseudotripteral — having an arrangement of columns suggesting a tripteral structure but without the inner colonnades.
- pyrometric bead — (in a kiln) a ball of material that indicates by changing color that a certain temperature has been reached.
- 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 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.
- 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
- radiosensitizer — a substance, as a drug, that enhances the sensitivity of tissues or cells to radiation therapy.
- radiotechnology — the technical application of any form of radiation to industry.
- radiotelegraphy — the constructing or operating of radiotelegraphs.
- radiotelemetric — of or relating to radiotelemetry
- raise the devil — Theology. (sometimes initial capital letter) the supreme spirit of evil; Satan. a subordinate evil spirit at enmity with God, and having power to afflict humans both with bodily disease and with spiritual corruption.
- re-adjudication — an act of adjudicating.
- reaccreditation — the act or process of reaccrediting something or someone
- read-write head — an electromagnetic device, as in a disk or tape drive, that reads data from or writes data on a magnetic disk or tape.
- read/write head — an electromagnetic device, as in a disk or tape drive, that reads data from or writes data on a magnetic disk or tape.
- reading the law — that part of the morning service on Sabbaths, festivals, and Mondays and Thursdays during which a passage is read from the Torah scrolls
- readvertisement — the act or process of advertising something again
- recoil-operated — employing the recoil force of an explosive projectile to prepare the firing mechanism for the next shot.
- recombinant dna — DNA in which one or more segments or genes have been inserted, either naturally or by laboratory manipulation, from a different molecule or from another part of the same molecule, resulting in a new genetic combination.
- reconsideration — to consider again, especially with a view to change of decision or action: to reconsider a refusal.