12-letter words containing s, t, a, r, l
- snow crystal — a crystal of ice sufficiently heavy to fall from the atmosphere.
- socratically — of or relating to Socrates or his philosophy, followers, etc., or to the Socratic method.
- soft release — a means of gradually accustoming wild animals to a new environment before releasing them into it
- solar system — the sun together with all the planets and other bodies that revolve around it.
- solenogaster — any of a group of wormlike mollusks, class Solenogastres (formerly Aplacophora), inhabiting deep ocean layers and having fine limy spicules on the covering mantle.
- solidaristic — relating to solidarism
- solitariness — alone; without companions; unattended: a solitary passer-by.
- solitary bee — any of numerous bees, as the leaf-cutting bees, that do not live in a community.
- solway firth — an arm of the Irish Sea between SW Scotland and NW England. 38 miles (61 km) long.
- somatopleure — the double layer formed by the association of the upper layer of the lateral plate of mesoderm with the overlying ectoderm, functioning in the formation of the body wall and amnion.
- sorosilicate — any of the silicates in which each silicate tetrahedron shares one of its four oxygen atoms with a neighboring tetrahedron, the ratio of silicon to oxygen being two to seven.
- space travel — spaceflight of manned vehicles.
- special sort — a character, such as an accented letter, that is not a usual member of any font
- special term — the sitting of a court for the trial of a special case.
- spectatorial — a person who looks on or watches; onlooker; observer.
- speculatrice — a female speculator
- spermatocele — a swelling of the testicle
- sphericality — the state of being a sphere
- sphincterial — relating to a sphincter
- spider plant — Also called ribbon plant. a plant, Chlorophytum comosum, of the lily family, native to southern Africa, that has long, narrow leaves and clusters of white flowers and is widely cultivated as a houseplant.
- spiritualism — the belief or doctrine that the spirits of the dead, surviving after the mortal life, can and do communicate with the living, especially through a person (a medium) particularly susceptible to their influence.
- spiritualist — an adherent of spiritualism.
- spirituality — the quality or fact of being spiritual.
- spiritualize — to make spiritual.
- spirochaetal — resulting from spirochaetes
- splatterpunk — a form of fiction featuring extremely graphic violence.
- sportability — suitability to be used in or as a sport
- spray millet — the seeds of millet left on the spike and sold in pet shops for cage birds.
- square-built — sturdy and strong-looking
- st. lawrence — D(avid) H(erbert) 1885–1930, English novelist.
- stabilimeter — stabilograph.
- stabilizator — a stabilizer
- stabilograph — an instrument for measuring body sway.
- staggeringly — tending to stagger or overwhelm: a staggering amount of money required in the initial investment.
- stakeholders — the holder of the stakes of a wager.
- stalactiform — resembling or shaped like a stalactite.
- stamp dealer — someone who buys and sells postage stamps (to collectors)
- standardless — having no standard or standards
- star cluster — a number of stars of common origin held together as a group by gravitational attraction. Compare globular cluster, open cluster, stellar association.
- star thistle — any of several naturalized Eurasian plants of the genus Centaurea, especially C. calcitrapa, having purplish, spiny flower heads.
- starter flat — a compact flat marketed by price and size specifications to suit the requirements of first-time home buyers
- state flower — a flower chosen as an official symbol of a U.S. state.
- stated clerk — an administrative official in the Presbyterian Church and certain other Protestant churches
- steam boiler — a receptacle in which water is boiled to generate steam.
- steam-boiler — a receptacle in which water is boiled to generate steam.
- steam-roller — a heavy steam-powered vehicle having a roller for crushing, compacting, or leveling materials used for a road or the like.
- steel guitar — an acoustic, handheld guitar having a metal resonator and producing a wailing, variable sound.
- steerability — to guide the course of (something in motion) by a rudder, helm, wheel, etc.: to steer a bicycle.
- stellar wind — the radial outflow of ionized gas from a star.
- stenothermal — (of animals or plants) able to exist only within a narrow range of temperature