12-letter words containing a, t, i, s, u
- stegosaurian — having the characteristics of a stegosaur
- stereoacuity — the ability of a person to see objects as separate entities along a range of distances
- sternutation — the act of sneezing.
- stick around — to pierce or puncture with something pointed, as a pin, dagger, or spear; stab: to stick one's finger with a needle.
- stipulaceous — of, relating to, having, resembling, or living on stipules
- stirrup-vase — a Mycenaean vase having a spherical body, a spout on the shoulder, and a handle, curving across the top, supported by a solid conical neck.
- storage unit — rented space to store items
- stradivarius — a violin or other instrument made by Stradivari or his family.
- straight out — thoroughgoing: a straight-out Democrat.
- straight-out — without a bend, angle, or curve; not curved; direct: a straight path.
- strain gauge — Geology. a type of extensometer designed for geophysical use.
- straticulate — made up of or arranged in thin layers.
- strike fault — a fault that trends parallel to the strike of the strata that it offsets.
- struma-river — a river in S Europe, flowing SE through SW Bulgaria and NE Greece into the Aegean. 225 miles (362 km) long.
- studdingsail — a light sail, sometimes set outboard of either of the leeches of a square sail and extended by booms.
- studio glass — art glass produced by an independent artisan in the studio.
- stupefacient — stupefying; producing stupor.
- stupefaction — the state of being stupefied; stupor.
- stupefactive — serving to stupefy.
- sub-additive — something that is added, as one substance to another, to alter or improve the general quality or to counteract undesirable properties: an additive that thins paint.
- sub-tropical — Sub-tropical places have a climate that is warm and wet, and are often near tropical regions.
- subalternity — lower in rank; subordinate: a subaltern employee.
- subantarctic — of, pertaining to, similar to, or being the region immediately north of the Antarctic Circle; subpolar.
- subapostolic — of or relating to the era after that of the Apostles
- subarcuation — a structure that is somewhat arched
- subcelestial — being beneath the heavens; terrestrial.
- subcuticular — the nonliving epidermis that surrounds the edges of the fingernail or toenail.
- subdiaconate — the office or dignity of a subdeacon.
- subduplicate — of the square root of ratios
- subeditorial — of or relating to a subeditor, the work of a subeditor or a subeditorship
- suberization — the impregnation of cell walls with suberin, causing the formation of cork.
- subfactorial — the number of ways a group of objects can be arranged so that none of the objects are in their original or correct place
- subhastation — a public auction or sale
- subinfeudate — to grant (lands) by subinfeudation
- subjectional — the act of subjecting.
- sublineation — an underlining
- subminiature — subminiature camera.
- submit-table — to give over or yield to the power or authority of another (often used reflexively).
- suboccipital — situated below the occipital bone or the occipital lobe of the brain.
- subordinated — placed in or belonging to a lower order or rank.
- subordinator — a conjunction introducing a subordinate clause, as when in They were glad when I finished.
- subsatellite — a satellite designed to be released into orbit from another spacecraft.
- subsidiarity — secondary importance
- subspecialty — a lesser or minor specialty: a cinematographer with a subspecialty of portrait photography.
- substantiate — to establish by proof or competent evidence: to substantiate a charge.
- substantival — noting, of, or pertaining to a substantive.
- substraction — the act or process of subtracting
- subway train — a train that runs on an underground railway
- succussation — a jolting or shaking
- sugarcoating — the act or process of covering something with sugar.