7-letter words containing p, a, i, s
- pisidia — an ancient country in S Asia Minor: later a Roman province.
- pissant — Slang: Vulgar. a person or thing of no value or consequence; a despicable person or thing.
- pistoia — a city in N Tuscany, in N Italy.
- pit saw — a large saw used, esp. formerly, to cut timber lengthwise and worked by two men, one standing above the log, the other in a pit below it
- pitatus — a walled plain in the third quadrant of the face of the moon: about 50 miles (80 km) in diameter.
- planish — to give a smooth finish to (metal) by striking lightly with a smoothly faced hammer or die.
- plasmic — Anatomy, Physiology. the liquid part of blood or lymph, as distinguished from the suspended elements.
- plasmid — a segment of DNA independent of the chromosomes and capable of replication, occurring in bacteria and yeast: used in recombinant DNA procedures to transfer genetic material from one cell to another.
- plasmin — fibrinolysin.
- plastic — Often, plastics. any of a group of synthetic or natural organic materials that may be shaped when soft and then hardened, including many types of resins, resinoids, polymers, cellulose derivatives, casein materials, and proteins: used in place of other materials, as glass, wood, and metals, in construction and decoration, for making many articles, as coatings, and, drawn into filaments, for weaving. They are often known by trademark names, as Bakelite, Vinylite, or Lucite.
- plastid — a small, double-membraned organelle of plant cells and certain protists, occurring in several varieties, as the chloroplast, and containing ribosomes, prokaryotic DNA, and, often, pigment.
- polaris — a distinctive English argot in use since at least the 18th century among groups of theatrical and circus performers and in certain homosexual communities, derived largely from Italian, directly or through Lingua Franca.
- praised — the act of expressing approval or admiration; commendation; laudation.
- praiser — the act of expressing approval or admiration; commendation; laudation.
- priapus — Classical Mythology. a god of male procreative power, the son of Dionysus and Aphrodite.
- prisage — the right of the king to take a certain quantity of every cargo of wine imported.
- prosaic — commonplace or dull; matter-of-fact or unimaginative: a prosaic mind.
- prussia — a former German state in N and central Germany, extending from France and the Low Countries to the Baltic Sea and Poland: developed as the chief military power of the Continent, leading the North German Confederation from 1867–71, when the German Empire was established; dissolved in 1947 and divided between East and West Germany, Poland, and the former Soviet Union. Area: (in 1939) 294 081 sq km (113 545 sq miles)
- pulaski — a double-edged hand tool having an ax blade on one side and a pickax or wide chisel on the opposite side, used especially in clearing land and removing tree stumps.
- pythias — the priestess of Apollo at Delphi who delivered the oracles.
- rappist — Harmonist.
- rasping — harsh; grating: a rasping voice.
- rip-saw — a saw for cutting wood with the grain.
- salpinx — a trumpet-shaped tube, as a Fallopian or Eustachian tube.
- sampaio — Jorge, 1939–2010, president of Portugal 1996–2006.
- sandpit — a deep pit in sandy soil from which sand is excavated.
- sapiens — of, relating to, or resembling modern humans (Homo sapiens).
- sapient — having or showing great wisdom or sound judgment.
- sapling — a young tree.
- saponin — any of a group of amorphous glycosides of terpenes and steroids, occurring in many plants, characterized by an ability to form emulsions and to foam in aqueous solutions, and used as detergents.
- sapphic — pertaining to Sappho or to certain meters or a form of strophe or stanza used by or named after her.
- sapping — Fortification. a deep, narrow trench constructed so as to form an approach to a besieged place or an enemy's position.
- sarapis — Serapis (def 1).
- saw pit — a place for pit sawing.
- saw-pit — a place for pit sawing.
- scrapie — a usually fatal brain disease of sheep, characterized by twitching of the neck and head, grinding of the teeth, and scraping of itching portions of skin against fixed objects with a subsequent loss of wool: thought to be caused by an infectious prion.
- senopia — the improvement of near-sight often accompanying old age due to nuclear sclerosis
- serapis — Also, Sarapis. a Greco-Egyptian deity combining the attributes of Osiris and Apis, identified in Egypt with the Ptolemies: later worshiped throughout the Greek and Roman empires.
- shaping — the quality of a distinct object or body in having an external surface or outline of specific form or figure.
- shapiro — Karl (Jay) 1913–2000, U.S. poet and editor.
- sharpie — sharper.
- shiplap — an overlapping joint, as a rabbet, between two boards joined edge to edge.
- shipman — a sailor.
- shipway — the structure that supports a ship being built.
- sinopia — a reddish pigment derived from iron ore
- skidpan — an area made slippery so that vehicle drivers can practise controlling skids
- slipway — (in a shipyard) the area sloping toward the water, on which the ways are located.
- snap-in — designed to be attached or held by snapping into position by snaps.
- snaptin — a container for food
- spacial — of or relating to space.