9-letter words containing i, o, t, a, s
- spiration — the act of breathing
- spoliator — a plunderer
- stair rod — a rod for holding a stair carpet in place against the bottom of a riser.
- stairfoot — the area at the foot of a flight of stairs
- stairwork — unseen plotting
- staminode — a sterile or abortive stamen.
- staminody — the metamorphosis of any of various flower organs, as a sepal or a petal, into a stamen.
- staminoid — like a stamen
- stanchion — an upright bar, beam, post, or support, as in a window, stall, ship, etc.
- stand oil — a thick oil made by heating linseed oil to temperatures of 600°F and higher, used chiefly as a medium in paints.
- stasidion — a choir stall in an Orthodox church.
- stational — a place or position in which a person or thing is normally located.
- stationed — a place or position in which a person or thing is normally located.
- stationer — a person who sells the materials used in writing, as paper, pens, pencils, and ink.
- statolith — Zoology. any of the granules of lime, sand, etc., contained within a statocyst.
- steatosis — the abnormal accumulation of fat within a cell or organ
- stenopaic — (of an optic device) having a narrow opening devised to improve eyesight by limiting obscurations
- steroidal — any of a large group of fat-soluble organic compounds, as the sterols, bile acids, and sex hormones, most of which have specific physiological action.
- stinkaroo — something markedly inferior in quality: a stinkaroo of a motion picture.
- stirabout — porridge.
- stoically — impassive; characterized by a calm, austere fortitude befitting the Stoics: a stoical sufferer.
- stomachic — of or relating to the stomach; gastric.
- strap-oil — a beating
- stratonic — of or relating to an army
- striation — striated condition or appearance.
- strobilar — of or relating to a strobila
- strontian — strontianite.
- subaction — an act of subduing
- subatomic — of or relating to a process that occurs within an atom.
- sublation — to deny or contradict; negate.
- suctorial — adapted for sucking or suction, as an organ; functioning as a sucker for imbibing or adhering.
- suctorian — a suctorial animal.
- sulcation — having long, narrow grooves or channels, as plant stems, or being furrowed or cleft, as hoofs.
- sulfation — Chemistry. a salt or ester of sulfuric acid.
- summation — the act or process of summing.
- supinator — a muscle used in supination.
- swingboat — a piece of fairground equipment consisting of a boat-shaped carriage for swinging in
- swordtail — any of several small, brightly colored, viviparous, freshwater fishes of the genus Xiphophorus, native to Central America, having the lower part of the caudal fin elongated into a swordlike structure: often kept in aquariums.
- sympatico — simpatico
- tailoress — a female tailor
- tailstock — a movable or sliding support for the dead center of a lathe or grinder.
- tallowish — resembling tallow; tallow-like
- taoiseach — The prime minister of the Republic of Ireland is called the Taoiseach.
- tasajillo — a bushy or treelike cactus, Opuntia leptocaulis, of the southwestern U.S., having slender, spiny branches, greenish-yellow flowers, and red berrylike fruit.
- tattooist — the act or practice of marking the skin with indelible patterns, pictures, legends, etc., by making punctures in it and inserting pigments.
- taylorism — a modified form of Calvinism that maintains that every person has a free will, and that makes a distinction between depravity, as the tendency to commit sins, and sin, as a voluntary choice of evil actions.
- telotaxis — orientation or movement, by an organism with sensory receptors, toward or away from a particular source of stimulation.
- tenacious — holding fast; characterized by keeping a firm hold (often followed by of): a tenacious grip on my arm; tenacious of old habits.
- tensional — the act of stretching or straining.
- teratosis — teratism (def 2).