11-letter words containing p, r, o, s, i
- spermotoxic — (of a substance) toxic to spermatozoa.
- spermotoxin — a substance toxic to spermatozoa.
- spheroidize — to turn or be turned into spheroids
- spice route — an ancient trade route followed by merchants, importers and exporters trading in exotic spices such as cloves and cinnamon
- spider hole — a foxhole with a camouflaged lid or cover in which a sniper hides
- spin bowler — a bowler who specializes in bowling balls with a spinning motion
- spin doctor — Slang. a press agent skilled at spin control.
- spinal cord — the cord of nerve tissue extending through the spinal canal of the spinal column.
- spiniferous — (esp of plants) bearing spines or thorns
- spinsterdom — the state of being a spinster
- spiraliform — having or resembling spiral lines
- spiriferous — having a spire or spiral parts.
- spirillosis — a bacterial disease
- spirochaete — 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.
- spirography — the study of breathing using a spirograph
- spiroplasma — any of numerous bacteria of the genus Spiroplasma that have no cell walls or flagella and are parasitic in plants and arthropods.
- sponge iron — finely divided, porous iron, reduced from an oxide at a temperature below the melting point.
- sponsorship — a person who vouches or is responsible for a person or thing.
- sporadicity — (of similar things or occurrences) appearing or happening at irregular intervals in time; occasional: sporadic renewals of enthusiasm.
- spore fruit — a spore-bearing structure, as an ascoscarp; sporocarp.
- spore print — the pattern produced by placing the cap of a mushroom on a piece of paper and allowing the spores to fall
- sporiferous — bearing spores.
- sporocystic — of or like a sporocyst
- sporogonium — the sporangium of mosses and liverworts.
- sport shirt — a long- or short-sleeved soft shirt for informal wear by men, having a squared-off shirttail that may be left outside the trousers, usually worn without a tie.
- sporulation — to produce spores.
- sporulative — involving or relating to sporulation
- spot strike — a labor strike by a local branch of a union.
- spring lock — a lock that fastens automatically by a spring.
- spring roll — an egg roll.
- spring snow — corn snow.
- springboard — a flexible board, projecting over water, from which divers leap or spring.
- springhouse — a small storehouse built over a spring or part of a brook, for keeping such foods as meat and dairy products cool and fresh.
- stasimorphy — structural modification by arrested development
- stereoptics — the branch of stereoscopy that is concerned with optics
- stereotypic — a process, now often replaced by more advanced methods, for making metal printing plates by taking a mold of composed type or the like in papier-mâché or other material and then taking from this mold a cast in type metal.
- stipitiform — having the form of a stipe.
- stipuliform — shaped like a stipule.
- strip joint — a nightclub or other establishment featuring striptease performances.
- strip poker — a game of poker in which the losers in a hand remove an article of clothing.
- strongpoint — a fortified defensive position; stronghold.
- subprioress — a nun junior to a prioress
- subtropical — bordering on the tropics; nearly tropical.
- sun-worship — the act of worshipping the sun as a deity
- superegoist — an exceptionally selfish or self-centred person; someone who is very self-important
- superheroic — Also, heroical. of, relating to, or characteristic of a hero or heroine.
- superimpose — to impose, place, or set over, above, or on something else.
- superiority — the quality or condition of being superior.
- supernation — a large body of people, associated with a particular territory, that is sufficiently conscious of its unity to seek or to possess a government peculiarly its own: The president spoke to the nation about the new tax.
- superpolite — extremely polite