11-letter words containing a, l, d, r
- pneudraulic — of or relating to a mechanism involving both pneumatic and hydraulic action.
- polyandrist — a woman who practices or favors polyandry.
- polyandrous — of, pertaining to, characterized by, or practicing polyandry; polyandric.
- postal card — a card sold by the post office with a stamp already printed on it.
- powder flag — red flag (def 4).
- praecordial — of or pertaining to a part of the body near or in front of the heart; located near to or in front of the heart
- pre-diploma — a document given by an educational institution conferring a degree on a person or certifying that the person has satisfactorily completed a course of study.
- pre-holiday — a day fixed by law or custom on which ordinary business is suspended in commemoration of some event or in honor of some person.
- predictable — able to be foretold or declared in advance: New technology allows predictable weather forecasting.
- predictably — able to be foretold or declared in advance: New technology allows predictable weather forecasting.
- predisposal — to give an inclination or tendency to beforehand; make susceptible: Genetic factors may predispose human beings to certain metabolic diseases.
- predoctoral — of or relating to study undertaken in preparation for a doctoral degree.
- preen gland — uropygial gland.
- prejudicial — causing prejudice or disadvantage; detrimental.
- premedieval — prior to the Middle Ages.
- preprandial — before a meal, especially before dinner; anteprandial: a preprandial apéritif.
- prime ideal — an ideal in a ring with a multiplicative identity, having the property that when the product of two elements of the ring results in an element of the ideal, at least one of the elements is an element of the ideal.
- prodigality — the quality or fact of being prodigal; wasteful extravagance in spending.
- prodigalize — to spend lavishly
- produceable — to bring into existence; give rise to; cause: to produce steam.
- prolongated — to prolong.
- promulgated — to make known by open declaration; publish; proclaim formally or put into operation (a law, decree of a court, etc.).
- prothalloid — resembling a prothallus
- pterodactyl — any of a number of genera of flying reptiles of the extinct order Pterosauria, from the Jurassic and Cretaceous periods, having a highly reduced tail and teeth and a birdlike beak.
- pulse radar — a radar system using pulse modulation
- pyramidical — pyramidal.
- quadrangles — Plural form of quadrangle.
- quadratical — (rare) quadratic.
- quadrennial — occurring every four years: a quadrennial festival.
- quadricycle — a vehicle similar to the bicycle and tricycle but having four wheels.
- quadrillion — a cardinal number represented in the U.S. by 1 followed by 15 zeros, and in Great Britain by 1 followed by 24 zeros.
- quadripedal — Four-footed.
- quadrupedal — four-footed.
- quadruplets — Plural form of quadruplet.
- quadrupling — Present participle of quadruple.
- quark model — a scheme that explains the quantum numbers of all the baryons and mesons by assuming that baryons are composed of three quarks and mesons of a quark and an antiquark, with different combinations of quark and antiquark flavors giving different sets of quantum numbers.
- radiability — to extend, spread, or move like rays or radii from a center.
- radial road — one of many roads, arranged like the radii of a circle, that spread or lead outwards from the centre of a city
- radial tire — a motor-vehicle tire in which the plies or cords run from one bead to the other at right angles to both beads.
- radial tyre — a motor-vehicle tyre having a radial-ply casing
- radicalised — to make radical or more radical, as in politics: young people who are being radicalized by extremist philosophies.
- radicalness — of or going to the root or origin; fundamental: a radical difference.
- radicellose — having small roots or rhizoids
- radiculitis — inflammation of a spinal nerve root.
- radiolarian — any minute, marine protozoan of the class Radiolaria, or, in some classification schemes, the superclass Actinopoda, having an amebalike body with radiating, filamentous pseudopodia and a usually elaborate outer skeleton.
- radiologist — the science dealing with x-rays or nuclear radiation, especially for medical uses.
- radiolucent — almost entirely transparent to radiation; almost entirely invisible in x-ray photographs and under fluoroscopy.
- railroading — a permanent road laid with rails, commonly in one or more pairs of continuous lines forming a track or tracks, on which locomotives and cars are run for the transportation of passengers, freight, and mail.
- rallentando — slackening; becoming slower (used as a musical direction).
- rally round — show solidarity