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12-letter words containing a, r, u, s, i

  • old prussian — a Baltic language extinct since the 17th century. Abbreviation: OPruss.
  • oncornavirus — any of various RNA viruses that cause tumors in humans and other animals.
  • ophiolatrous — of, relating to, or practising snake-worshipping
  • orchidaceous — belonging to the plant family Orchidaceae.
  • orichalceous — relating to or resembling orichalc
  • osco-umbrian — a group of languages, usually classified as Italic, that contains Oscan and Umbrian.
  • outsider art — art produced by untutored artists working by themselves and for themselves
  • outspreading — Present participle of outspread.
  • over-anxious — excessively anxious.
  • overcautious — excessively or unnecessarily cautious: Sometimes it doesn't pay to be overcautious in business.
  • overissuance — the act of issuing in excessive amounts
  • oversanguine — too optimistic
  • parish house — a building used by a church chiefly for administrative and social purposes.
  • parsimonious — characterized by or showing parsimony; frugal or stingy.
  • particulates — very small particles of a substance, esp those that are produced when fuel is burned
  • passionfruit — any edible fruit of a passionflower, as the maypop.
  • pasteurising — to expose (a food, as milk, cheese, yogurt, beer, or wine) to an elevated temperature for a period of time sufficient to destroy certain microorganisms, as those that can produce disease or cause spoilage or undesirable fermentation of food, without radically altering taste or quality.
  • patroclinous — inheritance in which the traits of the offspring are derived primarily from the paternal parent (opposed to matrocliny).
  • pearl primus — Pearl, 1919–1994, U.S. dancer, born in Trinidad.
  • percussional — of or relating to percussion
  • periostracum — the external, chitinlike covering of the shell of certain mollusks that protects the limy portion from acids.
  • 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
  • perpetualist — someone who holds to any form of perpetualism
  • persian gulf — strait in the Indian Ocean
  • persuasively — able, fitted, or intended to persuade: a very persuasive argument.
  • pertinacious — holding tenaciously to a purpose, course of action, or opinion; resolute.
  • pervicacious — extremely willful; obstinate; stubborn.
  • petaliferous — bearing or having petals.
  • petrobrusian — a member of a 12th-century sect in S France that rejected the Mass, infant baptism, prayers for the dead, sacerdotalism, the veneration of the cross, and the building of churches.
  • phosphaturia — the presence of an excessive quantity of phosphates in the urine.
  • picornavirus — any of a group of small, RNA-containing viruses of the family Picornaviridae, infectious to humans and other animals, and including the poliovirus and the rhinoviruses that cause the common cold.
  • picture sash — a large window sash, as for a picture window.
  • polyomavirus — any of a genus (Polyomavirus) of papovaviruses that naturally infect wild and laboratory mice, and that cause tumors when injected into newborn mice
  • porcelainous — made of or resembling porcelain
  • postsurgical — pertaining to or involving surgery or surgeons.
  • 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.
  • pratincolous — living in a meadow.
  • pre-issuance — the act of issuing.
  • precariously — dependent on circumstances beyond one's control; uncertain; unstable; insecure: a precarious livelihood.
  • pregustation — the act of tasting beforehand
  • presbyacusis — an age-related, progressive loss of hearing in both ears
  • primulaceous — belonging to the plant family Primulaceae.
  • prison guard — an officer in charge of prisoners in a jail
  • progymnasium — (in Europe) a school that prepares pupils for secondary education (the gymnasium)
  • promuscidate — shaped like a proboscis
  • prussic acid — weakly acidic extremely poisonous aqueous solution of hydrogen cyanide
  • pseudorabies — a highly contagious, usually fatal disease of cattle, sheep, and other animals, caused by the herpesvirus Herpes suis, and characterized by severe pruritus and progressive central nervous system involvement sometimes including an aggressive excitement phase.
  • pterosaurian — a pterosaur
  • quadragesima — the first Sunday in Lent.
  • quadrillions — Plural form of quadrillion.
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