11-letter words containing a, r, e, p, s
- speakership — a person who speaks.
- spear grass — any of various grasses, as a meadow grass or a bent grass, having lance-shaped leaves or floral spikes.
- spearheaded — the sharp-pointed head that forms the piercing end of a spear.
- specializer — a person who specializes in something
- spectacular — of or like a spectacle; marked by or given to an impressive, large-scale display.
- spectrality — of or relating to a specter; ghostly; phantom.
- spectrogram — a representation or photograph of a spectrum.
- specularity — the state of resembling a mirror
- speculatory — a place suitable for observation
- speechcraft — the art of rhetoric
- speechmaker — a person who delivers speeches.
- speed brake — a flap on an aircraft wing used to decrease speed in flight in preparation for landing.
- speed freak — an addict or habitual user of amphetamines, methamphetamines, or similar stimulating drugs.
- sperm whale — a large, square-snouted whale, Physeter catodon, valued for its oil and spermaceti: now reduced in number and rare in some areas.
- spermaphyte — the placenta of a plant
- spermatheca — a small sac or cavity in female or hermaphroditic invertebrates used to store sperm for fertilizing eggs, as in the queen bee.
- spermatoxic — (of a substance) toxic to spermatozoa.
- spermatoxin — a substance toxic to spermatozoa.
- spermatozoa — one of the minute, usually actively motile gametes in semen, which serve to fertilize the ovum; a mature male reproductive cell.
- spermicidal — that kills sperm
- spessartite — Mineralogy. a yellow or red manganese-aluminum garnet, used as a semiprecious gem.
- sphaeridium — a round body found on sea urchins
- spheroplast — a Gram-negative bacterial cell with a cell wall that has been altered or is partly missing, resulting in a spherical shape.
- spider crab — any of various crabs of the family Majidae, having long, slender legs and a comparatively small, triangular body.
- spider wasp — any of certain wasps, especially of the family Pompilidae, that provision their nests with paralyzed spiders.
- spinsterial — relating to a spinster
- spinsterian — relating to a spinster
- spiny-rayed — spiny-finned.
- spiral gear — a type of helical gear used for transmitting power between shafts that are at an angle to each other.
- spirit cave — an archaeological site in Thailand that has produced evidence of very early plant domestication in Southeast Asia, dated c7000 b.c.
- spirit lake — a lake in SW Washington, at the N foot of Mount St. Helens: site of devastation during 1980 eruptions of Mount St. Helens.
- 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.
- spoon bread — Chiefly South Midland and Southern U.S. a baked dish made with cornmeal, milk, eggs, and shortening, served as an accompaniment to meat.
- sports page — newspaper page carrying sports results
- sporulative — involving or relating to sporulation
- spot market — a market in which commodities, as grain, gold, or crude oil, are dealt in for cash and immediate delivery (distinguished from futures market).
- spotted ray — any of various species of ray with irregular markings on the back
- spreadingly — in a spreading manner
- spreadsheet — Accounting. a worksheet that is arranged in the manner of a mathematical matrix and contains a multicolumn analysis of related entries for easy reference on a single sheet.
- sprezzatura — effortlessness or ease, esp. in art or literature; careless grace; nonchalance
- spring rate — The spring rate is a measurement of the amount of force needed to compress a spring a particular distance.
- springwater — water from a spring
- sprite crab — ghost crab.
- standpatter — a person who refuses to consider or accept change.
- star-shaped — of the shape of or like a star.
- stauroscope — an optical instrument for studying the crystal structure of minerals under polarized light
- stearoptene — the oxygenated solid part of an essential oil (opposed to eleoptene).
- stench trap — a trap in a sewer that by means of a water seal prevents the upward passage of foul-smelling gases
- stenography — the art of writing in shorthand.
- step-parent — a stepfather or stepmother.