12-letter words containing s, p, i, r, l, a
- 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
- 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.
- spiny lizard — any of numerous iguanid lizards of the genus Sceloporus, common in North and Central America, usually having keeled scales that may end in a sharp point.
- spiral-bound — having a spiral binding.
- 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
- sporadically — (of similar things or occurrences) appearing or happening at irregular intervals in time; occasional: sporadic renewals of enthusiasm.
- sporangiolum — a small sporangium
- 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.
- spring-clean — to subject (a place) to a spring-cleaning.
- stabilograph — an instrument for measuring body sway.
- strike plate — strike (def 67).
- strophiolate — having a strophiole
- stylographic — of or relating to a stylograph.
- sub-tropical — Sub-tropical places have a climate that is warm and wet, and are often near tropical regions.
- subepidermal — just below the epidermis or skin
- sublapsarian — infralapsarianism.
- subprincipal — an assistant or deputy principal.
- supercapital — a member situated between a capital and the spring of an arch, as a dosseret.
- superciliary — of or relating to the eyebrow.
- superelastic — capable of returning to its original length, shape, etc., after being stretched, deformed, compressed, or expanded: an elastic waistband; elastic fiber.
- superglacial — on the surface of a glacier.
- superhelical — of, relating to, or consisting of a superhelix
- superluminal — appearing to travel faster than the speed of light.
- supermaxilla — the upper jaw.
- superordinal — relating to the superorder
- superplastic — (of some metals and alloys) having the capacity to undergo extreme deformation at high temperatures.
- superquality — above-average quality
- superrealism — photorealism.
- superspecial — extra special
- supplicatory — to pray humbly; make humble and earnest entreaty or petition.
- supraliminal — being above the threshold of perception of a stimulus.
- supraorbital — situated above the eye socket.
- supravitally — in a supravital manner
- surpassingly — of a large amount or high degree; exceeding, excelling, or extraordinary: structures of surpassing magnificence.
- suspensorial — relating to a suspensorium