12-letter words containing a, t, v, i, s
- sieve-plates — an elongated cell whose walls contain perforations (sieve pores) that are arranged in circumscribed areas (sieve plates) and that afford communication with similar adjacent cells.
- silver plate — thin coat of silver
- silver state — Nevada (used as a nickname).
- silver-plate — to coat (base metal) with silver, especially by electroplating.
- sivapithecus — a genus of extinct Miocene primates of Asia that resemble the modern orangutan.
- spotsylvania — a village in NE Virginia: the scene of Civil War battles between the armies of Grant and Lee, May 8–21, 1864.
- stage-driver — the driver of a stagecoach.
- stakhanovism — a method for increasing production by rewarding individual initiative, developed in the Soviet Union in 1935.
- stakhanovite — a worker in the Soviet Union who regularly surpassed production quotas and was specially honored and rewarded.
- stanislavski — Konstantin [kon-stuh n-teen;; Russian kuh n-stuhn-tyeen] /ˈkɒn stənˌtin;; Russian kən stʌnˈtyin/ (Show IPA), (Konstantin Sergeevich Alekseev) 1863–1938, Russian actor, producer, and director.
- stanislavsky — Konstantin [kon-stuh n-teen;; Russian kuh n-stuhn-tyeen] /ˈkɒn stənˌtin;; Russian kən stʌnˈtyin/ (Show IPA), (Konstantin Sergeevich Alekseev) 1863–1938, Russian actor, producer, and director.
- stanleyville — former name of Kisangani.
- steam-driven — powered by steam
- 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.
- stradivarius — a violin or other instrument made by Stradivari or his family.
- stravinskian — of, relating to, or suggesting the composer Igor Stravinsky or his works.
- struma-river — a river in S Europe, flowing SE through SW Bulgaria and NE Greece into the Aegean. 225 miles (362 km) long.
- 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.
- substantival — noting, of, or pertaining to a substantive.
- supergravity — a hypothetical symmetry among groups of particles containing fermions and bosons, especially in theories of gravity (supergravity) that unify electromagnetism, the weak force, and the strong force with gravity into a single unified force.
- supravitally — in a supravital manner
- survival kit — Military. a package containing medical supplies, rations, and other vital equipment for use by a person forced to land in or parachute into the ocean, jungle, or other isolated or hostile territory.
- sustentative — maintenance in being or activity; the sustaining of life through vital processes.
- svga monitor — (hardware, graphics) A monitor capable of displaying the output of an SVGA card.
- tergiversate — to change repeatedly one's attitude or opinions with respect to a cause, subject, etc.; equivocate.
- thames river — a river in S England, flowing E through London to the North Sea. 209 miles (336 km) long.
- thanksgiving — the act of giving thanks; grateful acknowledgment of benefits or favors, especially to God.
- toga virilis — the white toga assumed by boys in ancient Rome at the end of their 14th year.
- transitively — Grammar. having the nature of a transitive verb.
- transitivity — verb: requiring a direct object
- transmissive — the act or process of transmitting.
- transportive — to carry, move, or convey from one place to another.
- transumptive — of or relating to transumption
- transvaalian — a province in the NE Republic of South Africa. 110,450 sq. mi. (286,066 sq. km). Capital: Pretoria.
- transvaginal — through or via the vagina
- transversion — a turning across, or into, something else
- transvestism — the practice, especially of men, of wearing clothing usually associated with the opposite sex for psychological gratification.
- transvestist — someone who partakes in transvestism
- transvestite — a person, especially a male, who assumes the dress and manner usually associated with the opposite sex.
- transylvania — a region and former province in central Romania: formerly part of Hungary. 24,027 sq. mi. (62,230 sq. km).
- trivialities — something trivial; a trivial matter, affair, remark, etc.: cocktail conversation marked by trivialities.
- tschaikovsky — Peter Ilyich [il-yich] /ˈɪl yɪtʃ/ (Show IPA), Tchaikovsky, Peter Ilyich.
- tsesarevitch — (in Russian history) the eldest son of a tsar or his heir apparent
- unadvertised — to announce or praise (a product, service, etc.) in some public medium of communication in order to induce people to buy or use it: to advertise a new brand of toothpaste.
- unexhaustive — exhausting a subject, topic, etc.; comprehensive; thorough: He published an exhaustive study of Greek vases.
- uninvestable — that can be invested.
- universalist — a person characterized by universalism, as in knowledge, interests, or activities.
- universality — the character or state of being universal; existence or prevalence everywhere.
- uv ceti star — flare star.