14-letter words containing r, e, m, a
- promenade tile — a machine-made, unglazed, ceramic floor tile.
- promethea moth — a silkworm moth, Callosamia promethea, having reddish-brown wings, each with a border of white or yellow, the larvae of which feed on spicebush and other lauraceous plants.
- pronunciamento — a proclamation; manifesto; edict.
- proto-germanic — the unattested prehistoric parent language of the Germanic languages; Germanic.
- proxy marriage — a marriage performed between one of the two contracting parties and a proxy who has been authorized to represent the other.
- pseudomembrane — a tough outer layer found on the surface of the mucous membrane or skin
- 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.
- 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.
- purbeck marble — a fossil-rich limestone that takes a high polish: used for building, etc
- pure democracy — a form of democracy in which the laws and policies are made directly by the citizens rather than by representatives.
- 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
- pyrometallurgy — the process or technique of refining ores with heat so as to accelerate chemical reactions or to melt the metallic or nonmetallic content.
- pythagoreanism — the doctrines of Pythagoras and his followers, especially the belief that the universe is the manifestation of various combinations of mathematical ratios.
- quadrigeminate — made up of four parts
- 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.
- quaker meeting — a meeting of Quakers, at which all members, except those moved to speak, remain silent.
- 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.
- quartermasters — Plural form of quartermaster.
- quattrocentism — the 15th-century Italian style of art and literature
- questionmaster — quizmaster.
- quiz programme — a radio or television programme in which the general or specific knowledge of the players is tested by a series of questions
- radio spectrum — the portion of the electromagnetic spectrum that includes radio waves.
- radiochemistry — the chemical study of radioactive elements, both natural and artificial, and their use in the study of chemical processes.
- radiotelemeter — the equipment used for radiotelemetry
- radiotelemetry — the use of radio waves for transmitting information from a distant instrument to a device that indicates or records the measurements
- radium sulfate — a white, crystalline, water-insoluble, poisonous, radioactive solid, RaSO 4 , used chiefly in radiotherapy.
- radium therapy — treatment of disease by means of radium.
- raman-spectrum — the change in wavelength of light scattered while passing through a transparent medium, the collection of new wavelengths (Raman spectrum) being characteristic of the scattering medium and differing from the fluorescent spectrum in being much less intense and in being unrelated to an absorption band of the medium.
- rammelsbergite — a mineral, essentially nickel diarsenide, NiAs 2 .
- random numbers — a number chosen by a random sampling, as from a table (random number table) or generated by a computer.
- random testing — (programming, testing) A black-box testing approach in which software is tested by choosing an arbitrary subset of all possible input values. Random testing helps to avoid the problem of only testing what you know will work.
- rawhide hammer — a hammer, used to avoid damaging a surface, having a head consisting of a metal tube from each end of which a tight roll of hide protrudes
- re-accommodate — to do a kindness or a favor to; oblige: to accommodate a friend by helping him move to a new apartment.
- re-affirmation — the act or an instance of affirming; state of being affirmed.
- re-embarkation — the act of boarding a ship or aircraft again
- re-enumeration — an act of enumerating.
- re-familiarize — to make (onself or another) well-acquainted or conversant with something.
- re-measurement — the act of measuring.
- reaccumulation — act or state of accumulating; state of being accumulated.
- reach-me-downs — trousers