13-letter words containing o, a, r, s, m
- over-estimate — to estimate at too high a value, amount, rate, or the like: Don't overestimate the car's trade-in value.
- overambitious — having ambition; eagerly desirous of achieving or obtaining success, power, wealth, a specific goal, etc.: ambitious students.
- overcast seam — a hem with long stitches passing successively over the edge
- overdramatise — Alternative spelling of overdramatize.
- overemphasise — (British) alternative spelling of overemphasize.
- overemphasize — to emphasize excessively.
- overestimated — Simple past tense and past participle of overestimate.
- overestimates — Third-person singular simple present indicative form of overestimate.
- overstatement — to state too strongly; exaggerate: to overstate one's position in a controversy.
- overstimulate — to stimulate too much
- paedomorphism — the continuation of juvenile characteristics in the adult stage
- paramyxovirus — any of various RNA-containing viruses that are similar to but larger than the myxoviruses, including the viruses that cause mumps, measles, parainfluenza, and Newcastle disease.
- parasitoidism — the feeding by certain insect larvae on host tissues such that the host remains alive until larval development is complete and then usually dies.
- 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).
- pathomorphism — abnormal morphology.
- 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.
- phantasmagory — phantasmagoria.
- pharmacognosy — materia medica (def 2).
- 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.
- piroplasmosis — babesiosis.
- place of arms — an area in a fortress or a fortified town where troops could assemble for defense.
- plagiotropism — plagiotropic tendency or growth.
- plasmodiocarp — a fruiting body of certain myxomycetes.
- platform shoe — a shoe with a platform.
- pleasure dome — a large building, facility, or place used for recreation.
- plethysmogram — the recording of a plethysmograph.
- plimsoll mark — load-line mark.
- pneumogastric — of or relating to the lungs and stomach.
- pococurantism — a careless or indifferent person.
- 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.
- 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.
- 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.
- 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.
- postage meter — an office machine used in bulk mailing that imprints prepaid postage and a dated postmark.
- postmenstrual — of or relating to menstruation or to the menses.
- 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
- praetorianism — the control of a society by force or fraud, especially when exercised through titular officials and by a powerful minority.
- prebasic molt — the molt by which most birds replace all of their feathers, usually occurring annually after the breeding season.
- premenopausal — of, relating to, or characteristic of menopause.
- primatologist — the branch of zoology dealing with the primates.
- primrose path — a way of life devoted to irresponsible hedonism, often of a sensual nature: The evangelist exhorted us to avoid the primrose path and stick to the straight and narrow.