13-letter words containing a, r, s, g
- spectrography — a spectroscope for photographing or producing a representation of a spectrum.
- speechreading — the act or process of determining the intended meaning of a speaker by utilizing all visual clues accompanying speech attempts, as lip movements, facial expressions, and bodily gestures, used especially by people with impaired hearing.
- speed reading — a method of reading faster than normal, esp by skimming
- 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
- spiral casing — a spiral passage for directing the water from a penstock around a water turbine and into the rotor.
- spiral galaxy — a galaxy having a spiral structure.
- spiral spring — a form of spring consisting of a wire coiled in a helix.
- 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.
- spurge family — the large plant family Euphorbiaceae, characterized by herbaceous plants, shrubs, and trees having milky juice, simple alternate leaves or no leaves, usually petalless flowers often with showy bracts, and capsular fruit, and including cassava, croton, crown-of-thorns, poinsettia, snow-on-the-mountain, spurge, and the plants that produce castor oil, rubber, and tung oil.
- spurge laurel — a European thymelaeaceous evergreen shrub, Daphne laureola, with glossy leaves and small green flowers
- spying charge — an accusation of having taken part in espionage
- squanderingly — in a squandering manner
- square-rigged — having square sails as the principal sails.
- square-rigger — having square sails as the principal sails.
- squirrel cage — a cage containing a cylindrical framework that is rotated by a squirrel or other small animal running inside of it.
- 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 whisper — a loud whisper on a stage, meant to be heard by the audience.
- staghorn fern — any of several epiphytic Old World ferns of the genus Platycerium, having broad, often antlerlike leaves and cultivated as a houseplant.
- stalagmometer — an instrument for determining the number of drops, or the weight of each drop, in a given volume of liquid.
- stalagmometry — measurement of drops of liquid using a staktometer
- standing army — a permanently organized military force maintained by a nation.
- standing crop — the totality of living things in an ecosystem at a given time.
- standing room — space in which to stand, as in a theater, stadium, or the like.
- star-spangled — spangled with stars.
- stargazey pie — a Cornish fish pie served with the head of the fish protruding through the crust
- 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
- staying power — ability or strength to last or endure; endurance; stamina.
- 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
- stepparenting — parenting within a stepfamily
- sterculia gum — karaya gum.
- stereographer — a person who takes stereoscopic photographs.
- stereological — of, relating to, stereology
- stereoregular — pertaining to stereochemical regularity or having repeating units in a sequential configuration
- sterling area — those countries having currencies whose values tend to vary directly with the rise and fall of the value of the pound sterling.
- stinging hair — sting (def 18).
- stock raising — the breeding and raising of livestock.