12-letter words containing p, i, o, u, s
- nucleophiles — Plural form of nucleophile.
- obreptitious — having the characteristics of acquiring something by deceitful means
- oil pressure — force that keeps engine lubricated
- old prussian — a Baltic language extinct since the 17th century. Abbreviation: OPruss.
- oligophagous — (especially of insects) eating only a few types of food.
- ombrophilous — (of plants) tolerant of wet conditions
- on suspicion — as a suspect
- ophiolatrous — of, relating to, or practising snake-worshipping
- ophiophagous — eating snakes.
- opportunists — Plural form of opportunist.
- optoacoustic — relating to the relationship between light and sound
- oreopithecus — a genus of fossil primate from the Miocene coal deposits of Italy, formerly considered to be a possible hominid.
- outcroppings — Plural form of outcropping.
- outpouchings — Plural form of outpouching.
- outside loop — a loop during which the back of the airplane is on the outer side of the curve described by the course of flight.
- outspreading — Present participle of outspread.
- outstripping — to outdo; surpass; excel.
- packinghouse — a building where foodstuffs are packed
- paludicolous — inhabiting marshland
- parish house — a building used by a church chiefly for administrative and social purposes.
- parsimonious — characterized by or showing parsimony; frugal or stingy.
- passionfruit — any edible fruit of a passionflower, as the maypop.
- passive noun — a noun whose referent is the recipient of an action, as trainee, multiplicand.
- patroclinous — inheritance in which the traits of the offspring are derived primarily from the paternal parent (opposed to matrocliny).
- pax vobiscum — peace be with you
- peau de soie — a soft, satin-weave cloth of silk or rayon, grainy and having a dull luster, used to make dresses, coats, trimmings, etc.
- pension fund — a fund created and maintained, as by a corporation, to provide benefits under a pension plan.
- percussional — of or relating to percussion
- perfidiously — deliberately faithless; treacherous; deceitful: a perfidious lover.
- perfusionist — a medical technician or nurse who monitors and operates equipment that oxygenates the blood, as during open-heart surgery
- periostracum — the external, chitinlike covering of the shell of certain mollusks that protects the limy portion from acids.
- peritrichous — (of bacteria) having a uniform distribution of flagella over the body surface.
- perniciously — causing insidious harm or ruin; ruinous; injurious; hurtful: pernicious teachings; a pernicious lie.
- perquisition — an intensive and meticulous examination, pursuit, or hunt for something
- 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.
- photophilous — of or relating to an organism, as a plant, that is receptive to, seeks, or thrives in light.
- 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 show — motion picture.
- 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
- point source — a source of radiation sufficiently distant compared to its length and width that it can be considered as a point.
- 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.
- polyneuritis — inflammation of several nerves at the same time; multiple neuritis.