10-letter words containing s, p, o, i, l
- penologist — the study of the punishment of crime, in both its deterrent and its reformatory aspects.
- pentapolis — a group or federation of five cities; esp in reference to various ancient (Biblical and Classical) federations of five cities or towns
- peptolysis — causing the hydrolysis of peptides.
- pergelisol — permafrost.
- periculous — dangerous; perilous
- perilously — involving or full of grave risk or peril; hazardous; dangerous: a perilous voyage across the Atlantic in a small boat.
- persepolis — an ancient capital of Persia: its imposing ruins are in S Iran, about 30 miles (48 km) NE of Shiraz.
- personalia — the accoutrements, concerns, or intimations that are personal to one
- pestalozzi — Johann Heinrich [German yoh-hahn hahyn-rikh] /German ˈyoʊ hɑn ˈhaɪn rɪx/ (Show IPA), 1746–1827, Swiss educational reformer.
- petrópolis — a city in SE Brazil, north of Rio de Janeiro: resort. Pop: 280 000 (2005 est)
- philosophe — any of the popular French intellectuals or social philosophers of the 18th century, as Diderot, Rousseau, or Voltaire.
- philosophy — the rational investigation of the truths and principles of being, knowledge, or conduct.
- phlogistic — Pathology. inflammatory.
- phlogiston — a nonexistent chemical that, prior to the discovery of oxygen, was thought to be released during combustion.
- pholidosis — the layout or disposition of the scales of reptiles
- photolysis — the chemical decomposition of materials under the influence of light.
- physiology — the branch of biology dealing with the functions and activities of living organisms and their parts, including all physical and chemical processes.
- piccoloist — a person who plays the piccolo.
- pick holes — If you pick holes in an argument or theory, you find weak points in it so that it is no longer valid.
- pictorials — pertaining to, expressed in, or of the nature of a picture.
- piliferous — having or producing hair.
- pillionist — a passenger riding on the pillion of a motorcycle
- pillowcase — a removable sacklike covering, usually of cotton, drawn over a pillow.
- pilot fish — a small, marine fish, Naucrates ductor, often swimming with sharks.
- pilot-fish — a small, marine fish, Naucrates ductor, often swimming with sharks.
- pilothouse — an enclosed structure on the deck of a ship from which it can be navigated.
- pismo clam — a large edible clam, Tivela stultorum, of sandy shores of California and Mexico.
- pistillode — a sterile pistil, or one with a simple structure and reduced size and function
- plain-song — the unisonous vocal music used in the Christian church from the earliest times.
- plasmodial — Biology. an ameboid, multinucleate mass or sheet of cytoplasm characteristic of some stages of organisms, as of myxomycetes or slime molds.
- plasmodium — Biology. an ameboid, multinucleate mass or sheet of cytoplasm characteristic of some stages of organisms, as of myxomycetes or slime molds.
- pleonastic — the use of more words than are necessary to express an idea; redundancy.
- plesiosaur — any marine reptile of the extinct genus Plesiosaurus, from the Jurassic and Cretaceous periods, having a small head, a long neck, four paddlelike limbs, and a short tail.
- 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.
- ploughwise — back and forth in alternate rows, in the manner of a plough
- plus point — an advantage or positive characteristic
- pluviosity — of or relating to rain; rainy.
- podologist — a person who studies or specializes in podology
- poisonable — able to be poisoned
- pokerishly — in a pokerish manner
- polar axis — the fixed line, usually horizontal, from which the angle made by the radius vector is measured in a polar coordinate system.
- polarising — to cause polarization in.
- polemicist — a person who is engaged or versed in polemics.
- poliovirus — any of three picornaviruses of the genus Enterovirus, having a spherical capsid, infectious to humans and the cause of poliomyelitis.
- polish off — to make smooth and glossy, especially by rubbing or friction: to polish a brass doorknob.
- 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.
- polo shirt — a short-sleeved, pullover sport shirt, usually of cotton or cottonlike knit, with a round neckband or a turnover collar.