12-letter words containing s, p, i, n, o, u
- mount pisgah — the mountain slopes to the northeast of the Dead Sea, from one of which, Mount Nebo, Moses viewed Canaan
- mountaintops — Plural form of mountaintop.
- mucoproteins — Plural form of mucoprotein.
- necrophilous — displaying a preference for dead tissue, esp of certain bacteria and insects
- neuroleptics — Plural form of neuroleptic.
- neuropathies — Plural form of neuropathy.
- neuropathist — a specialist in treating diseases of the nervous system; a neurologist
- neuroplastic — Of or pertaining to neuroplasticity.
- neuropterist — an entomologist specializing in neuropteran insects
- neurotropism — the quality of being neurotropic.
- neutrophiles — (of a cell or cell part) having an affinity for neutral dyes.
- neutrosophic — Neutrosophy
- nitrophilous — (of plants) growing in soil well supplied with nitrogen
- non-spurious — not genuine, authentic, or true; not from the claimed, pretended, or proper source; counterfeit.
- nonpoisonous — full of or containing poison: poisonous air; a poisonous substance.
- nonpurposive — lacking purpose
- nonspiritual — Not spiritual.
- np-hilarious — (humour) An algorithm whose complexity is a joke, either literally, as in BogoSort, or metaphorically.
- nucleocapsid — the nucleic acid core and surrounding capsid of a virus; the basic viral structure.
- nucleophiles — Plural form of nucleophile.
- old prussian — a Baltic language extinct since the 17th century. Abbreviation: OPruss.
- on suspicion — as a suspect
- opportunists — Plural form of opportunist.
- outcroppings — Plural form of outcropping.
- outpouchings — Plural form of outpouching.
- outspreading — Present participle of outspread.
- outstripping — to outdo; surpass; excel.
- packinghouse — a building where foodstuffs are packed
- 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).
- pension fund — a fund created and maintained, as by a corporation, to provide benefits under a pension plan.
- percussional — of or relating to percussion
- perfusionist — a medical technician or nurse who monitors and operates equipment that oxygenates the blood, as during open-heart surgery
- 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.
- 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.
- 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.
- plumbaginous — containing graphite.
- 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.
- porcelainous — made of or resembling porcelain
- posing pouch — a thong that emphasizes the genitals
- postal union — an international agreement on postal rates and services.
- postdiluvian — existing or occurring after the Biblical Flood.
- postliminium — postliminy.