12-letter words containing e, v, a, s, i
- scrieveboard — the drawing board of a shipbuilder
- scrive board — a floorlike construction on which the lines of a vessel can be drawn or scribed at full size.
- security van — an armoured van used to transport money or other valuables
- seismic wave — a wave of energy that is generated by an earthquake or other earth vibration and that travels within the earth or along its surface.
- semi-invalid — a person who is partially disabled or somewhat infirm
- sendai virus — a paramyxovirus that tends to cause cell fusion: in inactive form, used in biological research to produce cells with multiple nuclei of different genetic constitutions.
- septemvirate — the ruling body of septemvirs.
- seronegative — showing no significant level of serum antibodies, or other immunologic marker in the serum, that would indicate previous exposure to the infectious agent being tested.
- servant girl — a girl or woman employed as a servant who performs household duties
- service area — motorway facilities
- service flat — an apartment with complete hotel services.
- service game — a game in which a particular tennis player is the one who serves
- service mark — a proprietary term, such as Blue Cross and Blue Shield, American Express, or Planned Parenthood, that is registered with the Patent and Trademark Office. Abbreviation: SM.
- service road — frontage road.
- servicewoman — a woman who is a member of the armed forces of a country.
- severability — capability of being separated, as of a clause in an agreement
- sierra vista — a town in S Arizona.
- 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 bream — a type of ray-finned fish from the family Cyprinidae
- silver maple — a maple, Acer saccharinum, having leaves that are light green above and silvery white beneath.
- silver medal — a medal, traditionally of silver or silver in color, awarded to a person or team finishing second in a competition, meet, or tournament.
- silver paper — silver foil.
- 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.
- slave driver — an overseer of slaves.
- slave-driver — an overseer of slaves.
- space-saving — that saves space.
- 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.
- squaresville — a thing, place, etc., regarded as conventional, unfashionable, or conservative.
- stage-driver — the driver of a stagecoach.
- stakhanovite — a worker in the Soviet Union who regularly surpassed production quotas and was specially honored and rewarded.
- 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.
- 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.
- subdividable — to divide (that which has already been divided) into smaller parts; divide again after a first division.
- 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.
- supermassive — (of a black hole or star) having a mass in the range of millions or billions of times that of the sun
- surveillance — a watch kept over a person, group, etc., especially over a suspect, prisoner, or the like: The suspects were under police surveillance.
- sustentative — maintenance in being or activity; the sustaining of life through vital processes.
- swallow dive — swan dive.
- swivel chair — a chair whose seat turns around horizontally on a swivel.
- 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.
- transitively — Grammar. having the nature of a transitive verb.
- transmissive — the act or process of transmitting.