14-letter words containing a, r
- pulmonary tree — the trachea, bronchi, and bronchioles of the lungs, which together resemble an upside-down tree.
- pulmonary vein — a vein conveying oxygenated blood from the lungs to the left atrium of the heart.
- pulsating star — a type of variable star, the variation in brightness resulting from expansion and subsequent contraction of the star
- pumped storage — a system for generating hydroelectric power for peak periods by pumping water from a lower to a higher reservoir during low-demand periods and then releasing it during peak periods.
- punch operator — a person who enters data into cards by means of punching holes
- purbeck marble — a fossil-rich limestone that takes a high polish: used for building, etc
- purchase order — document requesting to buy sth
- purchase price — cost at which sth is bought
- pure democracy — a form of democracy in which the laws and policies are made directly by the citizens rather than by representatives.
- purple grackle — the eastern subspecies of the common grackle, Quiscalus quiscula, of North America, having an iridescent purple back.
- purple passion — a variety of the velvet plant, Gynura aurantiaca, having trailing stems and leaves densely covered with purple hairs, grown as a houseplant.
- purse snatcher — wallet thief
- put a crimp in — to press into small regular folds; make wavy.
- put one across — to get (someone) to accept or believe a claim, excuse, etc, by deception
- put the arm on — the upper limb of the human body, especially the part extending from the shoulder to the wrist.
- pygmy marmoset — a related form, Cebuella pygmaea: the smallest monkey, inhabiting tropical forests of the Amazon
- pyjama cricket — one-day cricket, in which the players wear colourful clothing rather than the traditional whites used in longer forms of the game
- pyramid letter — chain letter.
- pyramid scheme — pyramid (def 8).
- pyramidal peak — a sharp peak formed where the ridges separating three or more cirques intersect; horn
- pyramidologist — a person who believes in pyramidology
- pyrazolone dye — any of the group of dyes, as tartrazine, derived from a pyrazolone: used chiefly to dye silk and wool.
- pyrometallurgy — the process or technique of refining ores with heat so as to accelerate chemical reactions or to melt the metallic or nonmetallic content.
- pyrophotograph — a photograph produced by a burning process, such as on glass or porcelain
- pyrotechnician — a specialist in the origin of fires, their nature and control, etc.
- pythagoreanism — the doctrines of Pythagoras and his followers, especially the belief that the universe is the manifestation of various combinations of mathematical ratios.
- quadragenarian — 40 years of age.
- quadrangularly — in a quadrangular manner
- quadrantanopia — (medicine) The loss of vision in one or more quadrants of the field of view.
- quadratic form — a polynomial all of whose terms are of degree 2 in two or more variables, as 5 x 2 − 2 xy + 3 y 2 .
- quadrigeminate — made up of four parts
- quadrilaterals — Plural form of quadrilateral.
- quadrisyllabic — a word or poetic meter with four syllables
- quadrisyllable — a word of four syllables.
- quadrumvirates — Plural form of quadrumvirate.
- quadrupedalism — The condition of being a quadruped.
- quadruple time — a measure consisting of four beats or pulses with accent on the first and third.
- quadruplicated — Simple past tense and past participle of quadruplicate.
- quadruplicates — Plural form of quadruplicate.
- quaker meeting — a meeting of Quakers, at which all members, except those moved to speak, remain silent.
- quality circle — a group of workers performing similar duties who meet periodically to discuss work-related problems, offer suggestions for improved production or product quality, etc.
- quality factor — a property of ionizing radiations that affects their ability to cause biological effects. For weakly ionizing radiations such as gamma rays it has value 1 whilst for alpha rays it is about 20
- quality-assure — to ensure the quality of: Measures are in place to quality-assure our data.
- quantum meruit — as much as he has earned: denoting a payment for goods or services in partial fulfilment of a contract or for those supplied when no price has been agreed
- quantum number — any integer or half of an odd integer that distinguishes one of the discrete states of a quantum-mechanical system.
- quantum theory — any theory predating quantum mechanics that encompassed Planck's radiation formula and a scheme for obtaining discrete energy states for atoms, as Bohr theory.
- quaquaversally — in a quaquaversal manner
- quarter dollar — quarter (def 3).
- quarter hollow — a deep cove or cavetto.
- quarter nelson — a hold in which a wrestler, from a kneeling position beside an opponent, puts one hand on the opponent's head, passes the free arm under the far arm of the opponent, and locks the free arm to the other arm by clasping the wrist.