8-letter words containing o, p, s, i
- pycnosis — the reduction in size and increase in staining of a cell or its nucleus, usually a feature of cell degeneration
- pyknosis — a process of thickening, esp. in the shrinking nucleus of a degenerating cell
- pyonings — the work of military sappers, such as the digging of trenches
- reimpose — to lay on or set as something to be borne, endured, obeyed, fulfilled, paid, etc.: to impose taxes.
- repolish — a repolishing, the action of polishing again
- rhizopus — any zygomycetous fungus of the genus Rhizopus, esp R. nigricans, a bread mould
- rispetto — a form of folk verse from Tuscany
- ropiness — resembling a rope or ropes: ropy muscles.
- rose hip — hip2 .
- salopian — a county in W England. 1348 sq. mi. (3490 sq. km).
- salpicon — a mixture of chopped fish, meat, or vegetables in a sauce, used as fillings for croquettes, pastries, etc
- saponify — to convert (a fat) into soap by treating with an alkali.
- saponite — a clay mineral, hydrous magnesium aluminum silicate, belonging to the montmorillonite group: found as a soft filling in rock cavities.
- saprobic — saprophyte.
- satinpod — either of two European plants belonging to the genus Lunaria, of the mustard family, L. annua or L. rediviva, cultivated for their shiny flowers and large, round, flat, satiny pods.
- scaphoid — boat-shaped; navicular.
- scooping — a ladle or ladlelike utensil, especially a small, deep-sided shovel with a short, horizontal handle, for taking up flour, sugar, etc.
- scorpion — any of numerous arachnids of the order Scorpionida, widely distributed in warmer parts of the world, having a long, narrow, segmented tail that terminates in a venomous sting.
- scorpius — a large zodiacal constellation lying between Libra and Sagittarius and crossed by the Milky Way. It contains the first magnitude star Antares
- scotopia — vision in dim light (opposed to photopia).
- scotopic — vision in dim light (opposed to photopia).
- semiopen — not closed or barred at the time, as a doorway by a door, a window by a sash, or a gateway by a gate: to leave the windows open at night.
- sepaloid — resembling a sepal.
- setpoint — the desired value in a closed-loop feedback system, as in regulation of temperature or pressure.
- ship out — a vessel, especially a large oceangoing one propelled by sails or engines.
- shipload — a full load for a ship.
- shipworm — any of various wormlike marine bivalve mollusks that burrow into the timbers of ship, wharves, etc.
- shopgirl — a salesgirl; female store clerk.
- shoplift — to steal (merchandise) as a shoplifter.
- shopping — a retail store, especially a small one.
- side pot — (in poker with table stakes) a second or subsequent pot, separate from the main pot, created when a player's entire table stake has been bet in a main pot or another side pot and other players want to continue betting.
- signpost — a post bearing a sign that gives information or guidance.
- sinopite — a clay-like mineral containing iron oxides
- siphoned — 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.
- siphonet — (of aphids) a small siphon on the abdomen by which an aphid emits sticky liquid
- sit-upon — a piece of waterproof fabric or other material carried by campers, hikers, etc., and used for sitting on wet surfaces.
- six-spot — a playing card or the upward face of a die bearing six pips.
- ski pole — a slender pole or stick, usually with a metal point at one end, a loop for the hand at the other, and a disk near the lower end to prevent its sinking into snow, used in skiing to gain momentum, maintain balance, execute certain jumps, etc.
- skin pop — to inject (a drug) under the skin rather than into a vein.
- skin-pop — to inject (a drug) under the skin rather than into a vein.
- skip off — to leave work, school, etc, early or without authorization
- skip out — leave, flee
- slip out — to move, flow, pass, or go smoothly or easily; glide; slide: Water slips off a smooth surface.
- slip top — the end of a slip stem on a spoon.
- slipform — a moveable mould for building large concrete structures such as roads, towers and bridges
- slipknot — a knot that slips easily along the cord or line around which it is made.
- slipover — of or denoting a garment that can be put on easily over the head
- slipshod — careless, untidy, or slovenly: slipshod work.
- slipslop — meaningless or trifling talk or writing.
- slipsole — an insole placed in a shoe for warmth or to adjust the size.