12-letter words containing s, g, r
- 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
- simon legree — Simon, Simon Legree.
- simple group — a group that has no normal subgroup except the group itself and the identity.
- simple sugar — monosaccharide.
- single cream — dairy product: thin or light cream
- single entry — an item noted only once.
- single rhyme — a rhyme of monosyllables, as in heart, part.
- single track — a single pair of lines so that trains can travel in only one direction at a time
- single-cross — a cross between two inbred lines.
- 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.
- sitting room — a small living room, often one that forms part of a suite in a hotel, private house, etc.
- sitting trot — a horse's trot during which the rider sits still in the saddle
- 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
- skirt length — the length of someone's skirt
- skullduggery — skulduggery.
- slaughterman — a person employed to kill animals in a slaughterhouse
- slaughterous — murderous; destructive.
- sledgehammer — a large heavy hammer wielded with both hands.
- sleeper goby — any gobioid fish of the family Eleotridae, of brackish or fresh tropical waters, resembling the gobies but lacking a ventral sucker
- sleeping car — a railroad car fitted with berths, compartments, bedrooms, or drawing rooms for passengers to sleep in.
- slide guitar — bottleneck (def 3).
- sliding door — door which opens on a runner
- sliding rule — (formerly) a slide rule.
- slinger ring — a tubular ring around the hub of an aircraft propeller through which antifreeze solution is spread over the propeller blades by centrifugal force
- slip through — be undetected
- sloganeering — Sloganeering is the use of slogans by people such as politicians or advertising agencies.
- sloop-rigged — (of a sailboat) fore-and-aft rigged with a mainsail and a jib.
- slow-burning — (of combustible material) burning relatively slowly
- slubberingly — in a slubbering or slovenly manner
- slumberingly — in a slumbering manner
- smart growth — People such as architects and environmentalists use smart growth to refer to the construction of new buildings and roads within a town or city so that they are close to people's workplaces and mass transit systems and so that open spaces are not built on.
- smoking area — a designated area in which smoking is permitted
- smoking room — a room set apart for smoking, as in a hotel or clubhouse.
- smotheringly — in a smothering manner
- sniggeringly — with a snigger
- snobographer — a person who writes about snobs
- snollygoster — a clever, unscrupulous person.
- 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
- solar energy — energy derived from the sun in the form of solar radiation.
- solenogaster — any of a group of wormlike mollusks, class Solenogastres (formerly Aplacophora), inhabiting deep ocean layers and having fine limy spicules on the covering mantle.
- solid figure — a figure that has three dimensions