9-letter words containing a, s, p, o
- potassium — a silvery-white metallic element that oxidizes rapidly in the air and whose compounds are used as fertilizer and in special hard glasses. Symbol: K; atomic weight: 39.102; atomic number: 19; specific gravity: 0.86 at 20°C.
- poujadism — a conservative reactionary movement to protect the business interests of small traders
- poutassou — a gadoid fish, Micromesistius poutassou, also known as the blue whiting
- power-saw — to cut with a power saw.
- praecoces — a division of birds whose young are able to run when first hatched
- pranksome — tending to play pranks; mischievous; prankish
- preabsorb — to absorb beforehand or in advance
- premosaic — of the period before Moses
- preseason — one of the four periods of the year (spring, summer, autumn, and winter), beginning astronomically at an equinox or solstice, but geographically at different dates in different climates.
- procellas — pucellas.
- profaners — characterized by irreverence or contempt for God or sacred principles or things; irreligious.
- proformas — according to form; as a matter of form; for the sake of form.
- prolapsus — prolapse.
- promachos — a defender or champion
- prop wash — propeller wash.
- prophasic — relating to the first stage of nuclear division
- prosateur — a person who writes prose, especially as a livelihood.
- proseucha — a place of prayer, esp for Jewish worship
- prosimian — belonging or pertaining to the primate suborder Prosimii, characterized by nocturnal habits, a long face with a moist snout, prominent whiskers, large mobile ears, and large, slightly sideways-facing eyes, comprising the lemur, loris, potto, bush baby, and aye-aye. Compare anthropoid.
- prosocial — acting to the benefit of society in general
- prosodial — of or relating to prosody
- prosodian — a person skilled in prosody
- prosphora — antidoron.
- prostasis — (in a classical temple) a pronaos or prostas before a cella.
- prostatic — Also, prostatic [pro-stat-ik] /prɒˈstæt ɪk/ (Show IPA). of or relating to the prostate gland.
- prostato- — prostate gland
- prostrate — to cast (oneself) face down on the ground in humility, submission, or adoration.
- protistan — any of various one-celled organisms, classified in the kingdom Protista, that are either free-living or aggregated into simple colonies and that have diverse reproductive and nutritional modes, including the protozoans, eukaryotic algae, and slime molds: some classification schemes also include the fungi and the more primitive bacteria and blue-green algae or may distribute the organisms between the kingdoms Plantae and Animalia according to dominant characteristics.
- protoavis — a fossil bird of the genus Protoavis, from the Triassic Period, having a birdlike, partly toothless jaw structure, a tail and hind legs resembling those of the dinosaur, and the hollow bones and keellike breast that are characteristic of modern birds: the oldest known avian type, preceding the archaeopteryx by an estimated 75 million years.
- protostar — an early stage in the evolution of a star, after the beginning of the collapse of the gas cloud from which it is formed, but before sufficient contraction has occurred to permit initiation of nuclear reactions at its core.
- proustian — of, relating to, or resembling Marcel Proust, his writings, or the middle-class and aristocratic worlds he described.
- psalmbook — a book containing psalms for liturgical or devotional use.
- psoriasis — a common chronic, inflammatory skin disease characterized by scaly patches.
- psoriatic — a common chronic, inflammatory skin disease characterized by scaly patches.
- psychogas — a gas with a mind-altering effect
- pterosaur — any flying reptile of the extinct order Pterosauria, from the Jurassic and Cretaceous periods, having the outside digit of the forelimb greatly elongated and supporting a wing membrane.
- pulsation — the act of pulsating; beating or throbbing.
- pulsatory — pulsating or throbbing.
- pyroclast — a piece of lava ejected from a volcano
- rainspout — waterspout (def 1).
- ramaphosa — (Matamela) Cyril. born 1952, South African statesman and trade unionist; secretary general of the ANC (1991–97); deputy president of South Africa from 2014
- rapacious — given to seizing for plunder or the satisfaction of greed.
- rapturous — full of, feeling, or manifesting ecstatic joy or delight.
- rasophore — a monk authorized to wear the rason.
- raspatory — a surgical instrument for abrading; surgeon's rasp
- rhapsodic — extravagantly enthusiastic; ecstatic.
- rhopalism — the art, skill, or incidence of writing rhopalic verse
- roofscape — a view of the rooftops of a town, city, etc
- sago palm — any of several tropical Old World palms, as of the genera Metroxylon and Caryota, that yield sago.
- sallyport — a gateway permitting the passage of a large number of troops at a time.