12-letter words containing a, s, r, i, g
- sigma baryon — an unstable hyperon having positive, negative, or zero electric charge and strangeness −1. Symbol: Σ.
- signal board — a board for displaying electrically transmitted signals and indicating their source.
- signal corps — a branch of the army responsible for military communications, meteorological studies, and related work.
- signal tower — a tower from which railway signals are controlled or displayed
- significator — a planet deemed significant in astrology
- simple sugar — monosaccharide.
- single cream — dairy product: thin or light cream
- single track — a single pair of lines so that trains can travel in only one direction at a time
- single-party — of or relating to a form of government in which only a single political party constitutes the government
- single-payer — noting or relating to a healthcare or health insurance system in which the government or a publicly owned and regulated agency pays all medical costs from a single fund.
- single-track — (of a railroad or section of a railroad's route) having but one set of tracks, so that trains going in opposite directions must be scheduled to meet only at points where there are sidings.
- sixth-grader — a pupil in their sixth US school year after kindergarten, who is usually around 11 or 12 years old
- skating rink — arena for ice skating
- skating turn — a turn made by someone on roller or ice skates
- sleeping car — a railroad car fitted with berths, compartments, bedrooms, or drawing rooms for passengers to sleep in.
- slide guitar — bottleneck (def 3).
- sloganeering — Sloganeering is the use of slogans by people such as politicians or advertising agencies.
- smoking area — a designated area in which smoking is permitted
- snowboarding — a board for gliding on snow, resembling a wide ski, to which both feet are secured and that one rides in an upright position.
- sociographic — the branch of sociology that uses statistical data to describe social phenomena.
- sofa surfing — (of a homeless person) the practice of staying temporarily with various friends and relatives while attempting to find permanent accommodation
- sorting yard — sorting tracks.
- 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.
- spermagonium — Botany, Mycology. spermogonium.
- sphragistics — the scientific study of seals or signet rings.
- 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.
- spur gearing — a system of spur gears.
- squared ring — boxing ring.
- stabilograph — an instrument for measuring body sway.
- stage fright — nervousness felt by a performer or speaker when appearing before an audience.
- stage-driver — the driver of a stagecoach.
- 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.
- starry night — a painting (1889) by Vincent van Gogh.
- stauropegion — (in an autocephalous church) a monastery subject directly to the primate.
- 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.
- stigmasterol — a crystalline, water-insoluble steroid, C 2 9 H 4 8 O, present in soybeans or calabar beans, used chiefly as a raw material in the manufacture of progesterone.
- storage ring — a device for storing charged particles fed from an accelerator, consisting of a set of magnets placed in a ring and adjusted to keep the particles circulating until they are used.
- storage unit — rented space to store items
- storm signal — a visual signal, as a flag, giving advance notice of a heavy storm, used especially along coastal areas.