13-letter words containing m, r, p
- plethysmogram — the recording of a plethysmograph.
- plimsoll mark — load-line mark.
- plum curculio — See under curculio.
- plus or minus — You use plus or minus to give the amount by which a particular number may vary.
- plymouth rock — a rock at Plymouth, Massachusetts, on which the Pilgrims who sailed on the Mayflower are said to have stepped ashore when they landed in America in 1620.
- pneumatograph — pneumograph.
- pneumatometer — an instrument for measuring either the quantity of air inhaled or exhaled during a single inspiration or expiration or the force of inspiration or expiration.
- pneumatophore — Botany. a specialized structure developed from the root in certain plants growing in swamps and marshes, serving as a respiratory organ.
- pneumogastric — of or relating to the lungs and stomach.
- pococurantism — a careless or indifferent person.
- poker machine — a fruit machine
- polychromatic — having or exhibiting a variety of colors.
- polyoma virus — a small DNA-containing virus, of the papovavirus group, that can produce a variety of tumors in mice, hamsters, rabbits, and rats.
- polyribosomal — relating to a polyribosome
- polysomnogram — a record of a person's sleep pattern, breathing, heart activity, and limb movements during sleep. Abbreviation: PSG.
- pommes frites — French fries
- pons asinorum — a geometric proposition that if a triangle has two of its sides equal, the angles opposite these sides are also equal: so named from the difficulty experienced by beginners in mastering it. Euclid, 1:5.
- popcorn movie — a film that appeals to a mass audience
- popular music — music having wide appeal, esp characterized by lightly romantic or sentimental melodies
- portal system — a vascular arrangement in which blood from the capillaries of one organ is transported to the capillaries of another organ by a connecting vein or veins.
- porte-monnaie — a purse or pocketbook
- portrait mode — an orientation that is vertical rather than horizontal
- post meridiem — p.m.
- post-cambrian — Geology. noting or pertaining to a period of the Paleozoic Era, occurring from 570 million to 500 million years ago, when algae and marine invertebrates were the predominant form of life.
- post-consumer — noting or pertaining to a product after it has been used and recycled: a chair made of postconsumer plastic.
- post-marriage — (broadly) any of the diverse forms of interpersonal union established in various parts of the world to form a familial bond that is recognized legally, religiously, or socially, granting the participating partners mutual conjugal rights and responsibilities and including, for example, opposite-sex marriage, same-sex marriage, plural marriage, and arranged marriage: Anthropologists say that some type of marriage has been found in every known human society since ancient times. See Word Story at the current entry.
- postage meter — an office machine used in bulk mailing that imprints prepaid postage and a dated postmark.
- postembryonic — occurring after the embryonic phase.
- postemergence — occurring or applied after emergence of a plant from the soil and before full growth: postemergence frost.
- postemergency — of, relating to, or occurring in the period after an emergency
- postmenstrual — of or relating to menstruation or to the menses.
- postmodernism — (sometimes initial capital letter) any of a number of trends or movements in the arts and literature developing in the 1970s in reaction to or rejection of the dogma, principles, or practices of established modernism, especially a movement in architecture and the decorative arts running counter to the practice and influence of the International Style and encouraging the use of elements from historical vernacular styles and often playful illusion, decoration, and complexity.
- postmodernist — relating to late 20th-century art movement
- posttraumatic — occurring after physical or psychological trauma.
- posttreatment — an act or manner of treating.
- potato-masher — a kitchen implement used to crush or mash potatoes
- potentiometer — a device for measuring electromotive force or potential difference by comparison with a known voltage.
- potomac fever — the determination or fervor to share in the power and prestige of the U.S. government in Washington, D.C., especially by being appointed or elected to a government position.
- potomac river — a river flowing SE from the Allegheny Mountains in West Virginia, along the boundary between Maryland and Virginia to the Chesapeake Bay. 287 miles (460 km) long.
- powder method — a method of x-ray determination of crystal structure using a powdered sample.
- powder monkey — (formerly) a boy employed on warships to carry gunpowder from the magazine to the guns.
- powdered milk — dry milk.
- practice exam — an informal examination taken as a preparation for an actual or formal examination
- practice game — any informal game (of sports, chess, etc) played as preparation for a real game
- praetorianism — the control of a society by force or fraud, especially when exercised through titular officials and by a powerful minority.
- pragmatically — of or relating to a practical point of view or practical considerations.
- pre christmas — the annual festival of the Christian church commemorating the birth of Jesus: celebrated on December 25 and now generally observed as a legal holiday and an occasion for exchanging gifts.
- pre-agreement — the act of agreeing or of coming to a mutual arrangement.
- pre-christmas — the annual festival of the Christian church commemorating the birth of Jesus: celebrated on December 25 and now generally observed as a legal holiday and an occasion for exchanging gifts.
- pre-columbian — of or relating to the Americas before the arrival of Columbus: pre-Columbian art; pre-Columbian Indians.