9-letter words containing p, r, a, i, s
- septarium — a concretionary nodule or mass, usually of calcium carbonate or of argillaceous carbonate of iron, traversed within by a network of cracks filled with calcite and other minerals.
- seraphine — an old reed-based keyboard instrument; a reed organ
- serigraph — a print made by the silkscreen process.
- seriplane — a test for evaluating the quality of raw silk by inspecting it under controlled conditions for variations in the diameter of the yarn and for imperfections and content.
- sharpbill — a passerine bird, Oxyruncus cristatus, of New World tropical forests, having greenish plumage and a pointed bill, related to the tyrant flycatchers.
- shear pin — an easily replaceable pin inserted in a machine at a critical point and designed to shear and stop the machine if the load becomes too great
- shipboard — Archaic. the deck or side of a ship. the situation of being on a ship.
- siem reap — a city in NW Cambodia, near Angkor.
- singapore — an island on the Strait of Singapore, off the S tip of the Malay Peninsula.
- skiagraph — a radiograph.
- slip rail — one of a horizontal set of fence rails that can be removed easily to leave a gateway.
- slip road — A slip road is a road which cars use to drive on and off a motorway.
- slip-rail — one of a horizontal set of fence rails that can be removed easily to leave a gateway.
- snap brim — a hat brim that can be turned up or down.
- snap ring — any of various kinds of metal rings that must be forced open to be used and snap back into place to make a snug fit.
- sopranino — a musical instrument, as a saxophone or recorder, that is a pitch higher than the soprano instrument of its class.
- spagyrist — an alchemist
- sparassis — cauliflower fungus.
- spareribs — a cut of meat from the rib section, especially of pork or beef, with some meat adhering to the bones.
- sparingly — economical (often followed by in or of).
- sparkling — to issue in or as if in little sparks, as fire or light: The candlelight sparkled in the crystal.
- spartanic — (usually lowercase) suggestive of the ancient Spartans; sternly disciplined and rigorously simple, frugal, or austere.
- sparteine — a bitter, poisonous, liquid alkaloid obtained from certain species of broom, especially Cytisus scoparius, used in medicine to stimulate the heart and also the uterine muscles in childbirth.
- sparterie — things made from esparto
- spartiate — a member of the ruling class of ancient Laconia; a Spartan citizen. Compare Helot (def 1), Perioeci.
- sparticle — a hypothetical elementary particle thought to have been produced in the Big Bang
- spearfish — fish: type of marlin
- spearlike — resembling a spear
- spearmint — an aromatic herb, Mentha spicata, having lance-shaped leaves used for flavoring.
- speranski — Mikhail Mikhailovich (mixɑˈil). 1772–1839, Russian statesman, chief adviser (1807–12) to Alexander I. His greatest achievement was the codification of Russian law (begun 1826)
- spermaria — spermaries
- spermatia — Botany. the nonmotile male gamete of a red alga.
- spermatic — of, relating to, or resembling sperm; seminal; generative.
- spermatid — Cell Biology. one of the cells that result from the meiotic divisions of a spermatocyte and mature into spermatozoa.
- sphaerite — an aluminium phosphate
- spherical — having the form of a sphere; globular.
- spiderman — a person who erects the steel structure of a building
- spikenard — an aromatic, Indian plant, Nardostachys jatamansi, of the valerian family, believed to be the nard of the ancients.
- spinnaker — a large, usually triangular sail carried by a yacht as a headsail when running before the wind or when the wind is abaft the beam.
- spiny rat — any of various ratlike rodents of the genus Echimys, inhabiting forests of Central and South America, most having bristly fur.
- spiraling — Geometry. a plane curve generated by a point moving around a fixed point while constantly receding from or approaching it.
- spiralism — an individual's ascent in spiral structure
- spiralist — a person or thing that ascends in a spiral structure
- spirality — the spiral nature of a curve
- spiralled — Geometry. a plane curve generated by a point moving around a fixed point while constantly receding from or approaching it.
- spiraster — a part of a living sponge
- spiration — the act of breathing
- spirillar — any of several spirally twisted, aerobic bacteria of the genus Spirillum, certain species of which are pathogenic for humans.
- spiritual — of, relating to, or consisting of spirit; incorporeal.
- spirogram — a record made by a spirograph