9-letter words containing o, s, i, p
- plastisol — a dispersion of resin in a plasticizer, forming a liquid or paste that gels when heated.
- platinous — containing bivalent platinum.
- platonism — the philosophy or doctrines of Plato or his followers.
- platonist — the philosophy or doctrines of Plato or his followers.
- pleoptics — the practice of treating the vision defect amblyopia.
- plimsolls — lightweight canvas shoes with rubber soles; sneakers
- plotinism — the Neoplatonism of Plotinus.
- plutonism — the intrusion of magma and associated deep-seated processes within the earth's crust.
- podsolize — to make into podsol.
- poeticism — a poetic expression that has become hackneyed, forced, or artificial.
- pogromist — a person who participates in a pogrom
- poimenics — pastoral theology.
- point-set — (of spaces) cast in widths that conform to standard point measure.
- pointless — without a point: a pointless pen.
- pointsman — a railway switchman.
- pointwise — occurring at each point of a given set: pointwise convergence.
- poisoning — a substance with an inherent property that tends to destroy life or impair health.
- poisonous — full of or containing poison: poisonous air; a poisonous substance.
- polarised — to cause polarization in.
- polaroids — Polaroid sunglasses
- polisario — an independence movement opposing Moroccan control of the Western Sahara, a former Spanish territory that Morocco annexed in stages beginning in 1976.
- polish up — to make smooth and glossy, especially by rubbing or friction: to polish a brass doorknob.
- politesse — formal politeness; courtesy.
- pollusion — a word used by a comic character in Shakespeare's Love's Labours Lost to mean "allusion"
- pollyfish — parrotfish.
- polonaise — a slow dance of Polish origin, in triple meter, consisting chiefly of a march or promenade in couples.
- polybasic — (of an acid) having two or more atoms of replaceable hydrogen.
- polynesia — one of the three principal divisions of Oceania, comprising those island groups in the Pacific lying E of Melanesia and Micronesia and extending from the Hawaiian Islands S to New Zealand.
- polynices — a son of Oedipus and Jocasta and brother of Eteocles and Antigone on whose behalf the Seven against Thebes were organized.
- polyposis — the development of numerous polyps on a hollow internal organ, seen especially in the intestinal tract.
- polysemic — capable of having several possible meanings
- polysomic — of, relating to, or designating a basically diploid chromosome complement, in which some but not all the chromosomes are represented more than twice
- pomposity — the quality of being pompous.
- pontlevis — a drawbridge.
- pooterish — characteristic of or resembling the fictional character Pooter, esp in being bourgeois, genteel, or self-important
- pop music — popular music
- popliteus — a thin, flat, triangular muscle in back of the knee, the action of which assists in bending the knee and in rotating the leg toward the body.
- port said — a seaport in NE Egypt at the Mediterranean end of the Suez Canal.
- porticoes — a structure consisting of a roof supported by columns or piers, usually attached to a building as a porch.
- portieres — a curtain hung in a doorway, either to replace the door or for decoration.
- posidrive — having a patent screwhead that allows greater torque
- posigrade — of, relating to, or designating motion in the same direction as the current or normal motion
- positives — explicitly stated, stipulated, or expressed: a positive acceptance of the agreement.
- posologic — of or relating to doses of medicines
- post mill — a windmill built round a central post on which the whole mill can be turned so that the sails catch the wind
- post time — the time at which the entries in a race are required to be at the starting post.
- post-obit — effective after a particular person's death.
- post-paid — with the postage prepaid
- postaudit — an audit of accounting records, conducted at some interval of time after a transaction or a series of transactions has already occurred.
- postaxial — pertaining to or situated behind the axis of the body, especially the posterior side of the axis of a limb.