9-letter words containing e, p, s, o
- peristome — Botany. the one or two circles of small, pointed, toothlike appendages around the orifice of a capsule or urn of mosses, appearing when the lid is removed.
- peronista — Peronist.
- perotinus — ("Magnus Magister") fl. late 12th to early 13th century, French composer.
- perovskia — a member of the Perovskia genus of aromatic plant native to central Asia, esp Russian sage, Perovskia atriplicifolia
- persimmon — any of several trees of the genus Diospyros, especially D. virginiana, of North America, bearing astringent, plumlike fruit that is sweet and edible when ripe, and D. kaki, of Japan and China, bearing soft, red or orange fruit.
- personage — a person of distinction or importance.
- personals — of, relating to, or coming as from a particular person; individual; private: a personal opinion.
- personate — to act or portray (a character in a play, a part, etc.).
- personify — to attribute human nature or character to (an inanimate object or an abstraction), as in speech or writing.
- personnel — a body of persons employed in an organization or place of work.
- pertusion — the process or act of making a hole with a stabbing or penetrating implement
- pervasion — to become spread throughout all parts of: Spring pervaded the air.
- pesterous — having a propensity to pester, annoy, or to be trying
- pesthouse — a house or hospital for persons infected with pestilential disease.
- pestology — the analysis and research of pests and how to get rid of them
- petaflops — (unit) 10^15 flops or 1000 teraflops. As with flops, the term ends in S in both the singular and plural as the S stands for seconds. The first computer to perform one petaflops was recorded in June 2008. By June 2012 there were 20.
- petronius — Gaius (ˈɡaɪəs), known as Petronius Arbiter. died 66 ad, Roman satirist, supposed author of the Satyricon, a picaresque account of the licentiousness of contemporary society
- petrosian — Tigran (tiɡˈran). 1929–84, Soviet chess player; world champion (1963–69)
- pettitoes — pig's trotters, esp when used as food
- phagosome — a vacuole within a phagocyte that contains bacteria or other ingested particles and that becomes fused with a lysosome.
- phase out — any of the major appearances or aspects in which a thing of varying modes or conditions manifests itself to the eye or mind.
- phasedown — an act or instance of phasing down; gradual reduction.
- phaseolin — a type of proteid that is present in the kidney bean
- phenolics — any of the class of thermosetting resins formed by the condensation of phenol, or of a phenol derivative, with an aldehyde, especially formaldehyde: used chiefly in the manufacture of paints and plastics and as adhesives for sandpaper and plywood.
- philhorse — the horse, in a group of horses that are used to pull a carriage etc, which is at the back and nearest the object being pulled
- phone sex — sexually explicit conversations engaged in on a telephone, usually for a fee.
- phonemics — the study of phonemes and phonemic systems.
- phonetics — (in Chinese writing) a written element that represents a sound and is used in combination with a radical to form a character.
- phonetism — the science of speech sounds and of writing phonetically
- phonetist — a person who uses or advocates phonetic spelling.
- phoniness — not real or genuine; fake; counterfeit: a phony diamond.
- phosphate — Chemistry. (loosely) a salt or ester of phosphoric acid. a tertiary salt of orthophosphoric acid, as sodium phosphate.
- phosphene — a luminous image produced by mechanical stimulation of the retina, as by pressure applied to the eyeball by the finger when the lid is closed.
- phosphide — a binary compound of phosphorus with a basic element or group.
- phosphine — a colorless, poisonous, ill-smelling, flammable gas, PH 3 .
- phosphite — (loosely) a salt of phosphorous acid.
- phosphore — the morning star, especially Venus.
- photolyse — to cause to undergo or to undergo photolysis
- phronesis — wisdom in determining ends and the means of attaining them.
- pile shoe — an iron casting shaped to a point and fitted to a lower end of a wooden or concrete pile
- pilotless — lacking a pilot or needing no pilot: pilotless aircraft.
- pinaceous — belonging to the plant family Pinaceae.
- pinedrops — a slender, leafless, parasitic North American plant, Pterospora andromedea, having nodding white to red flowers, found growing under pines.
- piousness — having or showing a dutiful spirit of reverence for God or an earnest wish to fulfill religious obligations.
- pipestone — a reddish argillaceous stone used by North American Indians for making tobacco pipes.
- pisanello — Antonio [ahn-taw-nyaw] /ɑnˈtɔ nyɔ/ (Show IPA), (Antonio Pisano) 1397–1455? Italian painter and medalist.
- piscivore — an animal that feeds on fish
- pistoleer — a person, especially a soldier, who uses or is armed with a pistol.
- pistolero — a member of an armed band of roving mounted bandits.
- pistolier — a person, especially a soldier, who uses or is armed with a pistol.