13-letter words containing i, m, p, o, r
- parasymbiosis — the symbiotic relationship that occurs between certain species of fungi and lichens (which are themselves symbiotic associations between a fungus and an alga)
- paris commune — commune3 (def 8).
- partitionment — the act or fact of being partitioned
- pathomorphism — abnormal morphology.
- pearl molding — a molding having the form of a row of pearls.
- pembrokeshire — a historic county in Dyfed, in SW Wales.
- penicilliform — in the shape of a pencil or paintbrush
- perambulation — to walk through, about, or over; travel through; traverse.
- perfectionism — any of various doctrines holding that religious, moral, social, or political perfection is attainable.
- perichondrium — the membrane of fibrous connective tissue covering the surface of cartilages except at the joints.
- perimenopause — the period leading up to the menopause during which some of the symptoms associated with menopause may be experienced
- persian melon — a round variety of muskmelon having a green, reticulate, unribbed rind and orange flesh.
- petrochemical — a chemical substance obtained from petroleum or natural gas, as gasoline, kerosene, or petrolatum.
- pharmacologic — the science dealing with the preparation, uses, and especially the effects of drugs.
- pharmacopoeia — a book published usually under the jurisdiction of the government and containing a list of drugs, their formulas, methods for making medicinal preparations, requirements and tests for their strength and purity, and other related information.
- photochromism — the reversible transformation of something's colour due to exposure to electromagnetic radiation such as sunlight
- phrygian mode — an authentic church mode represented on the white keys of a keyboard instrument by an ascending scale from E to E.
- physharmonica — a keyboard musical instrument fitted with free reeds, and which is an early form of harmonium
- piers plowman — (The Vision Concerning Piers Plowman) an alliterative poem written in three versions (1360–99), ascribed to William Langland.
- pimple copper — a form of copper matte about 80 percent pure, somewhat less refined than blister copper.
- pink bollworm — the larva of a gelechiid moth, Pectinophora gossypiella, that feeds on the seeds of the bolls of cotton and was introduced into cotton-growing regions of the world from Asia.
- piroplasmosis — babesiosis.
- pistol shrimp — any common shrimp of the family Alphaeidae, distinguished by the snapping sound made by its enlarged claw.
- pivot grammar — a loose grammar said to govern two-word utterances by children
- plagiotropism — plagiotropic tendency or growth.
- plasmodiocarp — a fruiting body of certain myxomycetes.
- play for time — a dramatic composition or piece; drama.
- 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.
- 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
- 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
- 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-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.
- postembryonic — occurring after the embryonic phase.
- 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.
- potentiometer — a device for measuring electromotive force or potential difference by comparison with a known voltage.