12-letter words containing m, u, s, i
- pax vobiscum — peace be with you
- pearl primus — Pearl, 1919–1994, U.S. dancer, born in Trinidad.
- periostracum — the external, chitinlike covering of the shell of certain mollusks that protects the limy portion from acids.
- periselenium — the closest point of the orbit of a spacecraft to the moon
- perpetualism — a belief in the permanence of a given thing; the belief that a given thing (e.g. the world, a political system) will last forever
- phillumenist — a collector of matchbooks and matchboxes.
- pityrosporum — a genus of fungi that live on the skin, esp that of the scalp and face, present in conditions such as dandruff and dermatitis
- pleiochasium — a flowering system in which several buds come out at the same time
- plumbaginous — containing graphite.
- plumbiferous — yielding or containing lead.
- pneumocystis — any protozoan of the genus Pneumocystis, esp P. carinii, which is a cause of pneumonia in people whose immune defences have been lowered by drugs or a disease
- poison sumac — a shrub or small tree, Rhus vernix (or Toxicodendron vernix), of swampy areas of the eastern U.S., having pinnate leaves and causing severe dermatitis when touched by persons sensitive to it.
- polyomavirus — any of a genus (Polyomavirus) of papovaviruses that naturally infect wild and laboratory mice, and that cause tumors when injected into newborn mice
- postliminium — postliminy.
- postliminous — occurring after; subsequent
- poststimulus — of, relating to, or occurring in the period following the administering of a stimulus
- praseodymium — a rare-earth, metallic, trivalent element, named from its green salts. Symbol: Pr; atomic weight: 140.91; atomic number: 59; specific gravity: 6.77 at 20°C.
- primulaceous — belonging to the plant family Primulaceae.
- progymnasium — (in Europe) a school that prepares pupils for secondary education (the gymnasium)
- promuscidate — shaped like a proboscis
- pseudoanemia — Pathology. a quantitative deficiency of the hemoglobin, often accompanied by a reduced number of red blood cells and causing pallor, weakness, and breathlessness.
- pseudonymity — pseudonymous character.
- pseudopodium — pseudopod.
- pumice stone — abrasive stone used for exfoliating
- pumice-stone — Also called pumice stone. a porous or spongy form of volcanic glass, used as an abrasive.
- quadragesima — the first Sunday in Lent.
- qualmishness — The quality of being qualmish.
- quasi-famous — having a widespread reputation, usually of a favorable nature; renowned; celebrated: a famous writer. Synonyms: famed, notable, illustrious. Antonyms: unknown, obscure.
- quasi-normal — conforming to the standard or the common type; usual; not abnormal; regular; natural.
- querimonious — Complaining; querulous. (from 17th c.).
- quiesce time — (jargon) The length of time taken to quiesce a system (to render it inactive), or the length of time between periods of inactivity.
- quinqueremes — Plural form of quinquereme.
- ramapithecus — a genus of extinct Miocene ape known from fossils found in India and Pakistan and formerly thought to be a possible human ancestor.
- rambunctious — difficult to control or handle; wildly boisterous: a rambunctious child.
- rambus, inc. — (company) The company which designed Rambus DRAM. Address: Mountain View, CA., USA.
- re-submitted — to give over or yield to the power or authority of another (often used reflexively).
- reassumption — the act or process of reassuming something
- reductionism — the theory that every complex phenomenon, especially in biology or psychology, can be explained by analyzing the simplest, most basic physical mechanisms that are in operation during the phenomenon.
- reimbursable — to make repayment to for expense or loss incurred: The insurance company reimbursed him for his losses in the fire.
- repositorium — a place for the storage of valuables, as in an ancient Roman temple or a church.
- requiem mass — church service in memory of the dead
- requirements — that which is required; a thing demanded or obligatory: One of the requirements of the job is accuracy.
- resubmission — Law. an agreement between parties involved in a dispute, to abide by the decision of an arbitrator or arbitrators.
- rheumatismal — of or relating to rheumatism
- rubbish dump — a place or area where waste materials are dumped
- rumble strip — one of a series of rough or slightly raised strips of pavement on a highway, intended to slow down the speed of vehicles, as before a toll booth.
- rush matting — a floor covering made from rushes (plants of the genus Juncus)
- salutatorium — a porch or room in a monastery or church serving as a meeting or almsgiving place for monks or priests and the laity.
- samurai bond — a bond issued in Japan and denominated in yen, available for purchase by nonresidents of Japan
- scapulimancy — divination of the future by observation of the cracking of a mammal's scapula that has been heated by a fire or hot instrument.