13-letter words containing a, n, g, s
- speed skating — ice skating as a form of racing, usually on an oval course and against other competitors or the clock.
- speed walking — power walking.
- sperm washing — a technique that separates sperm from the seminal fluid, used especially for isolating active sperm for artificial insemination.
- spermatangium — the organ that produces spermatia in red algae.
- spermatogenic — relating to the development of spermatozoa
- sphagnicolous — growing in moss
- sphagnologist — a person who studies sphagna
- sphagnum moss — Botany
- spine-bashing — to rest; loaf.
- spiral casing — a spiral passage for directing the water from a penstock around a water turbine and into the rotor.
- spiral spring — a form of spring consisting of a wire coiled in a helix.
- splanchnology — the visceral system
- splitting adz — a heavy stone tool used by prehistoric peoples in northwestern North America and northeastern Asia.
- sporting lady — a prostitute.
- sportscasting — the reporting of a sports event by radio or television broadcast.
- spring a leak — to develop a leak
- spring beauty — any American spring plant belonging to the genus Claytonia, of the purslane family, especially C. virginica, having an elongated cluster of white flowers tinged with pink.
- spring valley — a city in SW California, near San Diego.
- spring-loaded — (of a machine part) kept normally in a certain position by a spring: a spring-loaded safety valve.
- springboarded — a flexible board, projecting over water, from which divers leap or spring.
- spying charge — an accusation of having taken part in espionage
- squanderingly — in a squandering manner
- st. augustine — Saint, a.d. 354–430, one of the Latin fathers in the early Christian Church; author; bishop of Hippo in N Africa.
- staff meeting — company gathering of employees
- stage manager — a person responsible for the technical details of a theatrical production, assisting the director during rehearsal, supervising the lighting, costuming, setting, prompting, etc., and assuming full responsibility for the stage during a performance of a play.
- stage setting — setting (def 6).
- stagecoachman — the driver or operator of a stagecoach
- staghorn fern — any of several epiphytic Old World ferns of the genus Platycerium, having broad, often antlerlike leaves and cultivated as a houseplant.
- stained glass — glass that has been colored, enameled, painted, or stained, especially by having pigments baked onto its surface or by having various metallic oxides fused into it, as used in church windows, decorative lampshades, etc.
- stamen blight — a disease of blackberries, characterized by a gray, powdery mass of spores covering the anthers, caused by a fungus, Hapalosphaeria deformans.
- standing army — a permanently organized military force maintained by a nation.
- standing chop — (in an axemen's competition) a chop with the log standing upright
- standing crop — the totality of living things in an ecosystem at a given time.
- standing joke — If something is a standing joke among a group of people, they often make jokes about it.
- standing jump — a jump performed from a stationary position without a run-up
- standing room — space in which to stand, as in a theater, stadium, or the like.
- standing wave — a wave in a medium in which each point on the axis of the wave has an associated constant amplitude ranging from zero at the nodes to a maximum at the antinodes.
- star-spangled — spangled with stars.
- starring role — a main role; the main role
- starting gate — any of various types of movable barriers for lining up and giving an equal start to the entries in a horse or dog race.
- starting grid — area marked as start of a race
- starting line — marking at beginning of a race
- starting post — the upright pole marking the beginning of a racecourse
- starting rate — (in Britain) a rate of income tax below the basic rate
- station agent — a person who manages a small railroad station.
- station wagon — an automobile with one or more rows of folding or removable seats behind the driver and no luggage compartment but an area behind the seats into which suitcases, parcels, etc., can be loaded through a tailgate.
- staying power — ability or strength to last or endure; endurance; stamina.
- steam heating — a heating system utilizing steam circulated through radiators and pipes.
- steering gear — the apparatus or mechanism for steering a ship, automobile, bicycle, airplane, etc.
- steganography — the practice of concealing messages in such a way that only the sender and the recipient know that there is a message