9-letter words containing o, s, i, p
- saprozoic — (of animals or plants) feeding on dead organic matter
- sarcoptic — related to or caused by itch-mites that cause mange in animals
- scapolite — any of a group of minerals of variable composition, essentially silicates of aluminum, calcium, and sodium, occurring as massive aggregates or tetragonal crystals.
- schizopod — any crustacean of the former order or division Schizopoda, now divided into the orders Mysidacea, comprising the opossum shrimps, and Euphausiacea, comprising krill.
- sciophyte — any plant that grows best in the shade
- sciosophy — supposed knowledge of natural or supernatural phenomena or forces, usually based on tradition, as astrology or phrenology.
- scopeloid — a member of a family of deep-sea fish with luminous spots
- scopoline — a soluble crystalline alkaloid obtained from the decomposition of scopolamine and used as a sedative. Formula: C8H13NO2
- scorpioid — resembling a scorpion.
- scotophil — living and flourishing in darkness.
- scriptory — of or relating to writing
- semigroup — an algebraic system closed under an associative binary operation.
- semipious — quite pious; somewhat pious
- semipious — quite pious; somewhat pious
- sepiolite — meerschaum (def 1).
- septation — a division between cavities or parts of an organism by partitions or septa
- septiform — sevenfold
- septimole — a group of seven musical notes to be played in the same space of time as either four or six
- serotypic — of or relating to a serotype
- set point — tennis: point that will win a set
- ship over — to enlist or reenlist in the U.S. Navy
- shipboard — Archaic. the deck or side of a ship. the situation of being on a ship.
- shipborne — carried on a ship.
- shipowner — a person who owns a ship or ships.
- shippound — a Baltic measure of weight roughly equivalent to 300-400 pounds
- shotpoint — A shotpoint is a place at the surface of the Earth where a seismic source is activated.
- showpiece — something that is displayed or exhibited.
- simpatico — congenial or like-minded; likable: I find our new neighbor simpatico in every respect.
- simpleton — an ignorant, foolish, or silly person.
- singapore — an island on the Strait of Singapore, off the S tip of the Malay Peninsula.
- sinophile — a person who admires or has a strong liking for China, the Chinese, or their culture.
- siphonage — the action of a siphon.
- siphonate — (of molluscs) having a syphon
- siphoning — a tube or conduit bent into legs of unequal length, for use in drawing a liquid from one container into another on a lower level by placing the shorter leg into the container above and the longer leg into the one below, the liquid being forced up the shorter leg and into the longer one by the pressure of the atmosphere.
- ski slope — snow-covered hill at ski resort
- skiascope — retinoscope.
- skiascopy — retinoscope.
- skidproof — preventing or resistant to skidding, as certain road surfaces or vehicle tires.
- skip rope — A skip rope is a piece of rope, usually with handles at each end. You exercise or play with it by turning it around and around and jumping over it.
- skip zone — a region surrounding a broadcasting station that cannot receive transmissions either directly or by reflection off the ionosphere
- skip-bomb — to attack (a target) by skip bombing.
- sky pilot — a member of the clergy, especially a chaplain of the armed forces.
- sky-pilot — a member of the clergy, especially a chaplain of the armed forces.
- slip flow — gas flow occurring at hypersonic speeds in which molecular shearing occurs
- slip form — a form into which concrete is poured that can be slowly moved and reused in construction, as of a pavement or a building.
- slip hook — pelican hook.
- slip road — A slip road is a road which cars use to drive on and off a motorway.
- slip-slop — meaningless or trifling talk or writing.
- slipcover — a cover of cloth or other material for a piece of furniture, as an upholstered chair or sofa, made so as to be easily removable.
- slipnoose — a noose with a knot that slides along the rope, thus forming a noose that tightens as the rope is pulled.