10-letter words containing s, p, o, i
- slop basin — a basin or bowl into which the dregs, leaves, and grounds of teacups and coffee cups are emptied at the table.
- slow pitch — a variety of softball in which the ball is pitched with an underhand motion at moderate speed in an arc that rises at least six feet above the ground
- slow-pitch — a type of softball with ten players per side and in which each pitch must travel in an arc from three to ten feet high.
- sociopathy — a person with a psychopathic personality whose behavior is antisocial, often criminal, and who lacks a sense of moral responsibility or social conscience.
- soil creep — creep of soil on even slopes; often accelerated by spring freeze-and-thaw or general periglacial conditions. Compare creep (def 22a).
- soil group — one of a number of soil classes having the same kinds of horizons in the same sequence and under similar moisture and temperature regimes.
- solar ship — (in ancient Egypt) a boat placed in or near the tomb of a king to transport him to the sun.
- sopaipilla — a small pastry made of deep-fried yeast dough and usually dipped in honey.
- sophomoric — of or relating to a sophomore or sophomores.
- spadiceous — Botany. of the nature of a spadix. bearing a spadix.
- spallation — a nuclear reaction in which several nucleons are released from the nucleus of an atom.
- spaniolize — to cause to become Spanish
- spark coil — a coil of many turns of insulated wire on an iron core, used for producing sparks.
- spasmodist — a person who is spasmodic, especially in style, as a writer, painter, etc.
- spatangoid — a type of sea urchin
- spearpoint — the point at the end of a spearhead.
- spec ratio — (benchmark) Results for each individual benchmark of the SPEC benchmark suites, for example CINT92 and CFP92, expressed as the ratio of the wall clock time to execute one single copy of the benchmark, compared to a fixed "SPEC reference time", which was chosen early-on as the execution time on a VAX 11/780. See also SPEC rate.
- speciation — the formation of new species as a result of geographic, physiological, anatomical, or behavioral factors that prevent previously interbreeding populations from breeding with each other.
- speciocide — the elimination of an entire species
- speciosity — the quality or state of being specious.
- speciously — apparently good or right though lacking real merit; superficially pleasing or plausible: specious arguments.
- spermatoid — resembling sperm.
- sphenoidal — relating to the sphenoid bone
- sphenopsid — equisetoid.
- spheroidal — pertaining to a spheroid or spheroids.
- spiderwork — a thing which has the appearance of a spider's web
- spiderwort — any plant of the genus Tradescantia, having blue, purple, or rose-colored flowers.
- spike moss — any of numerous plants of the genus Selaginella, allied to and resembling the club mosses.
- spill over — be full of: emotion
- spillproof — (of a container) designed to prevent spilling.
- spinaceous — pertaining to or of the nature of spinach; belonging to the amaranth family of plants.
- spirituous — containing, of the nature of, or pertaining to alcohol; alcoholic.
- spirochete — any of various spiral-shaped motile bacteria of the family Spirochaetaceae, certain species, as Treponema, Leptospira, and Borrelia, being pathogenic to humans and other animals, and other species being free-living, saprophytic, or parasitic.
- spirograph — an instrument for recording respiratory movements.
- spirometer — an instrument for determining the capacity of the lungs.
- spirometry — an instrument for determining the capacity of the lungs.
- spirophore — a device for producing artificial respiration
- spit-roast — to cook on a spit
- spitchcock — an eel that is split, cut into pieces, and broiled or fried.
- splintwood — a thin flexible wood often used for making baskets
- split roll — a taxation under which real-estate taxes on business and industrial buildings are levied at higher rates than on residential homes.
- spoil bank — a bank of excavated refuse or waste earth, as of shale from surface coal mining.
- spoilsport — a person whose selfish or unsportsmanlike attitudes or actions spoil the pleasure of others, as in a game or social gathering.
- spoliation — the act or an instance of plundering or despoiling.
- spoliative — blood-diminishing
- spondaical — composed of spondees
- spongiform — resembling a sponge, as in appearance or structure.
- sponsional — relating to, involved in or entering into a sponsion
- sponsoring — a person who vouches or is responsible for a person or thing.
- spookiness — like or befitting a spook or ghost; suggestive of spooks.