12-letter words containing a, g, s, i
- sofa surfing — (of a homeless person) the practice of staying temporarily with various friends and relatives while attempting to find permanent accommodation
- soft landing — space vehicle
- somaticizing — to convert (anxiety) into physical symptoms.
- sorting yard — sorting tracks.
- south-facing — facing towards the south
- space flight — journey into outer space
- space-saving — that saves space.
- spade guinea — a guinea decorated with a spade-shaped shield, coined during the reign of George III
- span loading — the act of a person or thing that loads.
- spatiography — the study of the characteristics of space beyond the atmosphere, including the mapping of the movements of celestial bodies and the recording of electrical, magnetic, and gravitational effects, especially those likely to affect missiles and spacecraft.
- spearfishing — any of several fishes of the genus Tetrapturus, resembling the sailfish but having the first dorsal fin much less developed: inhabiting all seas, but rare.
- spearheading — the sharp-pointed head that forms the piercing end of a spear.
- specialising — to pursue some special line of study, work, etc.; have a specialty: The doctor specializes in gastroenterology.
- speed dating — an organized social event in which participants have one-on-one conversations typically limited to less than ten minutes, for the purpose of meeting people they would like to date.
- speedballing — the practice of taking cocaine and heroin together intravenously
- speedboating — the act, practice, or sport of traveling in a speedboat.
- speedskating — a form of ice skating in which contestants race against each other or the clock over various distances
- spermagonium — Botany, Mycology. spermogonium.
- sphragistics — the scientific study of seals or signet rings.
- spin casting — spinning (def 3).
- spongillafly — spongefly.
- spongioblast — one of the primordial cells in the embryonic brain and spinal cord capable of developing into neuroglia.
- sporangiolum — a small sporangium
- spring break — a vacation from school or college during the spring term, lasting about a week.
- spring catch — a catch for an interior or cabinet door that has a bolt operated by a spring.
- spring water — water from natural underground source
- spring-clean — to subject (a place) to a spring-cleaning.
- spud-bashing — the task of peeling potatoes, given as a punishment
- spur gearing — a system of spur gears.
- squared ring — boxing ring.
- stabilograph — an instrument for measuring body sway.
- stag hunting — the act of hunting or chasing and killing stags
- stage fright — nervousness felt by a performer or speaker when appearing before an audience.
- stage-driver — the driver of a stagecoach.
- stageability — a single step or degree in a process; a particular phase, period, position, etc., in a process, development, or series.
- staggeringly — tending to stagger or overwhelm: a staggering amount of money required in the initial investment.
- staging area — an area, as a port of embarkation, where troops are assembled and readied for transit to a new field of operations.
- staging post — an area, as a port of embarkation, where troops are assembled and readied for transit to a new field of operations.
- standing cup — a tall decorative cup of the Middle Ages and Renaissance, having a raised cover.
- starry night — a painting (1889) by Vincent van Gogh.
- static cling — the adhering of clothing to other clothing or a person's body, caused by an accumulation of static electricity in the materials, especially those containing synthetic fibers.
- stauropegion — (in an autocephalous church) a monastery subject directly to the primate.
- steady-going — steadfast; faithful; unchanging: steady-going service to the cause of justice.
- steam engine — an engine worked by steam, typically one in which a sliding piston in a cylinder is moved by the expansive action of the steam generated in a boiler.
- steam-engine — an engine worked by steam, typically one in which a sliding piston in a cylinder is moved by the expansive action of the steam generated in a boiler.
- steel guitar — an acoustic, handheld guitar having a metal resonator and producing a wailing, variable sound.
- steering arm — the part of a vehicle's chassis that directs the input from the steering box
- stegosaurian — having the characteristics of a stegosaur
- steinamanger — German name of Szombathely.
- stenographic — the art of writing in shorthand.