12-letter words containing r, a, l, e, s
- soldier crab — a small blue Australian estuarine crab of the Mictyris genus usually found in large numbers
- 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.
- 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.
- 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.
- soprano clef — a sign locating middle C on the bottom line of the staff.
- 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.
- space-filler — a short article of little or no importance written to fill space in a magazine or newspaper
- spark-killer — a device for diminishing sparking, consisting of a capacitor and a resistor connected in series across two points where sparking may occur in a circuit.
- special area — distressed area.
- special jury — struck jury.
- special rule — a principle or regulation governing conduct, action, procedure, arrangement, etc.: the rules of chess.
- 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.
- spinal nerve — any of a series of paired nerves that originate in the nerve roots of the spinal cord and emerge from the vertebrae on both sides of the spinal column, each branching out to innervate a specific region of the neck, trunk, or limbs.
- spiritualize — to make spiritual.
- spirochaetal — resulting from spirochaetes
- splatterpunk — a form of fiction featuring extremely graphic violence.
- sprachgefuhl — a sensitivity to language, especially for what is grammatically or idiomatically acceptable in a given language.
- spray millet — the seeds of millet left on the spike and sold in pet shops for cage birds.
- spread eagle — the representation of an eagle with outstretched wings, used as an emblem of the US
- spread-eagle — having or suggesting the form of a spread eagle.
- spreadeagled — Someone who is spreadeagled is lying with their arms and legs spread out.
- spring-clean — to subject (a place) to a spring-cleaning.
- square-built — sturdy and strong-looking
- squaresville — a thing, place, etc., regarded as conventional, unfashionable, or conservative.
- st. lawrence — D(avid) H(erbert) 1885–1930, English novelist.
- stabilimeter — stabilograph.
- 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.
- 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.