10-letter words containing o, p, s, n, i
- personalia — the accoutrements, concerns, or intimations that are personal to one
- persuasion — the act of persuading or seeking to persuade.
- perversion — the act of perverting.
- phantomish — resembling or reminiscent of a phantom
- phlogiston — a nonexistent chemical that, prior to the discovery of oxygen, was thought to be released during combustion.
- phoenixism — the process of making a business insolvent in order to evade paying debts and then setting the business up again under a new name
- phosgenite — a mineral, lead chlorocarbonate, Pb 2 Cl 2 CO 3 , occurring in crystals.
- phosphonic — of or relating to phosponic acid or anything derived from it
- pianissimo — very soft.
- picosecond — one trillionth of a second. Abbreviation: ps, psec.
- pig-sconce — a foolish person
- pillionist — a passenger riding on the pillion of a motorcycle
- pincushion — a small cushion into which pins are stuck until needed.
- pine mouse — any of a widespread genus of voles, Pitymys, having small ears and a short tail; especially the American forest-dwelling mouse P. pinetorum.
- pink noise — a random signal within the audible frequency range whose amplitude decreases as frequency increases, maintaining constant audio power per frequency increment.
- pinocytose — (of a cell) to take within by means of pinocytosis.
- pinspotter — pinsetter.
- piston pin — wrist pin.
- piston rod — a rod communicating the rectilinear motion of a piston to the small end of a connecting rod or elsewhere.
- pitchstone — a glassy volcanic rock having a resinous luster and resembling hardened pitch.
- plain-song — the unisonous vocal music used in the Christian church from the earliest times.
- pleonastic — the use of more words than are necessary to express an idea; redundancy.
- pleustonic — a buoyant mat of weeds, algae, and associated organisms that floats on or near the surface of a lake, river, or other body of fresh water.
- plus point — an advantage or positive characteristic
- poachiness — the state of being poachy
- podcasting — a digital audio or video file or recording, usually part of a themed series, that can be downloaded from a website to a media player or computer: Download or subscribe to daily, one-hour podcasts of our radio show.
- poinsettia — a plant, Euphorbia (Poinsettia) pulcherrima, of the spurge family, native to Mexico and Central America, having variously lobed leaves and brilliant scarlet, pink, or white petallike bracts.
- point-wise — occurring at each point of a given set: pointwise convergence.
- poison gas — any of various toxic gases, especially those used in chemical warfare to kill or incapacitate on inhalation or contact, as phosgene, chlorine, etc.
- poison haw — a shrub, Viburnum molle, of the central U.S., having white flowers and bluish-black fruit.
- poison ivy — a vine or shrub, Rhus radicans, having trifoliate leaves and whitish berries and causing severe dermatitis when touched by persons sensitive to it.
- poison oak — either of two shrubs, Rhus toxicodendron, of the eastern U.S., or R. diversiloba, of the Pacific coast of North America, resembling poison ivy and causing severe dermatitis when touched by persons sensitive to them.
- poison-pen — composed or sent maliciously, as a letter, usually anonymously and for the purpose of damaging another's reputation or happiness: The newspaper received a poison-pen letter alleging that the mayor was misusing city funds.
- poisonable — able to be poisoned
- poisonwood — a tree, Metopium toxiferum, of southern Florida, that has compound leaves and yellowish, berrylike fruits and is poisonous to touch.
- polarising — to cause polarization in.
- polishment — the state of being polished or the action of polishing
- politeness — showing good manners toward others, as in behavior, speech, etc.; courteous; civil: a polite reply.
- pollenosis — hay fever.
- pollinosis — hay fever.
- polygenism — the theory that the human race has descended from two or more ancestral types.
- polygenist — a person who advocates polygenism
- polygynist — a person who practices or favors polygyny.
- polylysine — a type of synthetic polypeptide used to enable adhesion of cells to microscope slides
- polynesian — of or relating to Polynesia, its inhabitants, or their languages.
- pond snail — a general term for the freshwater snails: often specifically for the great pond snail (Limnaea stagnalis) and others of that genus. L. truncatula is a host of the liver fluke
- pontifices — plural of pontifex.
- pop singer — sb who sings popular music
- poriferans — an animal phylum comprising the sponges.
- porpoising — any of several small, gregarious cetaceans of the genus Phocoena, usually blackish above and paler beneath, and having a blunt, rounded snout, especially the common porpoise, P. phocoena, of both the North Atlantic and Pacific.