10-letter words containing p, o, i, r
- solar ship — (in ancient Egypt) a boat placed in or near the tomb of a king to transport him to the sun.
- sophomoric — of or relating to a sophomore or sophomores.
- spark coil — a coil of many turns of insulated wire on an iron core, used for producing sparks.
- 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.
- spermatoid — resembling sperm.
- 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.
- spill over — be full of: emotion
- spillproof — (of a container) designed to prevent spilling.
- 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
- split roll — a taxation under which real-estate taxes on business and industrial buildings are levied at higher rates than on residential homes.
- spoilsport — a person whose selfish or unsportsmanlike attitudes or actions spoil the pleasure of others, as in a game or social gathering.
- spongiform — resembling a sponge, as in appearance or structure.
- sponsoring — a person who vouches or is responsible for a person or thing.
- spoondrift — spindrift.
- spoonerism — the transposition of initial or other sounds of words, usually by accident, as in a blushing crow for a crushing blow.
- sporadical — (of similar things or occurrences) appearing or happening at irregular intervals in time; occasional: sporadic renewals of enthusiasm.
- sporangium — the case or sac in which spores are produced.
- sporicidal — a substance or preparation for killing spores.
- sporogenic — relating to the production or formation of spores, or producing spores
- sporogonic — involving or relating to sporogony
- sporozoite — one of the minute, active bodies into which the spore of certain Sporozoa divides, each developing into an adult individual.
- sport fish — a type of fish that is prized for the sport it gives the angler in its capture rather than for its value as food.
- sportiness — flashy; showy.
- sportingly — engaging in, disposed to, or interested in open-air or athletic sports: a rugged, sporting man.
- spot price — the price of spot goods or of commodities on the spot market.
- spring for — to rise, leap, move, or act suddenly and swiftly, as by a sudden dart or thrust forward or outward, or being suddenly released from a coiled or constrained position: to spring into the air; a tiger about to spring.
- springlock — a lock that fastens automatically by a spring.
- springwood — the part of an annual ring of wood, characterized by large, thin-walled cells, formed during the first part of the growing season.
- springwort — a plant with magical powers, mentioned in fables and folklore but not identified
- spuriosity — something spurious
- spuriously — not genuine, authentic, or true; not from the claimed, pretended, or proper source; counterfeit.
- stainproof — resistant to stains
- star point — a common junction connected to the ends of windings of a polyphase electrical device or system of devices
- stereopair — a pair of photographs of the same area taken from slightly different positions so as to give a stereoscopic effect when properly mounted and viewed.
- stereopsis — stereoscopic vision; the ability to perceive depth.
- stop price — the price at which a stop order is activated.
- strapontin — a seat which is folded down to sit on
- strepitoso — (to be performed) boisterously
- strepitous — boisterous; noisy.
- strip bond — a bond that has been stripped into its principal certificate and interest coupons, each part to be sold separately.
- strip down — remove paint or wallpaper from