14-letter words containing p, e, r, m, a, s
- platform scale — a scale with a platform for holding the items to be weighed.
- platform shoes — shoes: thick sole
- platform soles — very thick soles on a pair of shoes
- plethysmograph — a device for measuring and recording changes in the volume of the body or of a body part or organ.
- plumber's mate — a person who helps a plumber do his or her job
- pneumothoraces — the presence of air or gas in the pleural cavity.
- post-treatment — an act or manner of treating.
- postmastership — the office or position of a postmaster
- pre-assumption — something taken for granted; a supposition: a correct assumption. Synonyms: presupposition; hypothesis, conjecture, guess, postulate, theory.
- precious metal — a metal of the gold, silver, or platinum group.
- precision-made — made to precise specifications
- preliminaries' — preceding and leading up to the main part, matter, or business; introductory; preparatory: preliminary examinations.
- premenstrually — in a premenstrual manner
- presentimental — expressing a presentiment
- presymptomatic — relating to or describing a symptom that occurs before the typical symptoms of a disease
- primary source — first or highest in rank or importance; chief; principal: his primary goals in life.
- primary stress — primary accent.
- primary tissue — any tissue resulting directly from differentiation of an apical meristem.
- printer's mark — a stamp or device, usually found on the copyright page, that identifies a book as the work of a particular printer.
- printer's ream — a standard quantity of paper, consisting of 20 quires or 500 sheets (formerly 480 sheets), or 516 sheets (printer's ream or perfect ream)
- pripet marshes — the largest swamp in Europe, occupying S Belarus and N Ukraine
- proceleusmatic — inciting, animating, or inspiring.
- process camera — a large camera used in the photographic processes involved in the printing industry
- processor farm — (computer, parallel) A parallel processor where tasks are distributed, or "farmed out", by one "farmer" processor to several "worker" processors, and results are sent back to the farmer. This arrangement is suitable for applications which can be partitioned into many separate, independent tasks, the canonical examples being ray tracing and the Mandelbrot set. In order to be efficient, the extra time spent on communications must be small compared to the time spent processing each task.
- proletarianism — the practices, attitudes, or social status of a proletarian.
- pseudomembrane — a tough outer layer found on the surface of the mucous membrane or skin
- 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.
- pygmy marmoset — a related form, Cebuella pygmaea: the smallest monkey, inhabiting tropical forests of the Amazon
- pyramid scheme — pyramid (def 8).
- pythagoreanism — the doctrines of Pythagoras and his followers, especially the belief that the universe is the manifestation of various combinations of mathematical ratios.
- quadrupedalism — The condition of being a quadruped.
- radio spectrum — the portion of the electromagnetic spectrum that includes radio waves.
- 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.
- reappraisement — an act or the process of appraising someone or something again
- recompensatory — serving to compensate, as for loss, lack, or injury.
- rescue attempt — an attempt to bring a person or people out of danger, harm, attack, etc
- riemann sphere — a sphere used for a stereographic projection.
- rna polymerase — an enzyme that synthesizes the formation of RNA from a DNA template during transcription.
- russian empire — Russia (def 1).
- salt dome trap — A salt dome trap is an area where oil has been trapped underground by salt pushing upward.
- samuel gompers — Samuel, 1850–1924, U.S. labor leader, born in England: president of the American Federation of Labor 1886–94, 1896–1924.
- scapular medal — a medal that has been blessed and may be substituted for a scapular (sense 3)
- scapulohumeral — of, relating to, or involving the scapula and humerus.
- scrap merchant — dealer in discarded materials
- self-important — having or showing an exaggerated opinion of one's own importance; pompously conceited or haughty.
- semi-paralysis — Pathology. a loss or impairment of voluntary movement in a body part, caused by injury or disease of the nerves, brain, or spinal cord. a disease characterized by this, especially palsy.
- semi-paralyzed — to affect with paralysis.
- semi-permeable — permeable only to certain small molecules: a semipermeable membrane.
- semi-spherical — shaped like half a sphere; hemispheric.
- semipolar bond — type of chemical bond