13-letter words containing g, a, d, s
- ragged school — (in Britain, formerly) a free elementary school for poor children
- rayleigh disc — a small light disc suspended in the path of a sound wave, used to measure the intensity of the sound by analysing the resulting deflection of the disc
- rayleigh disk — a small circular disk, usually of mica, that is suspended from a fiber and tends to be deflected at right angles to a stream of air, indicating by its deflection the intensity of a sound wave.
- reading glass — a magnifying glass that people use to enlarge text to make it easier to read
- reading speed — the rate at which something is read, often expressed in terms of words per minute. Reading speed is usually determined by the purpose of reading (for comprehension, learning, memorization, etc)
- redesignation — an act of designating.
- regardless of — in spite of
- reserve-grade — denoting a sporting team of the second rank in a club
- riding master — a person who teaches equitation.
- riding stable — a place where horses are kept for people to ride
- ring-streaked — having streaks or bands of color around the body.
- rogation days — Usually, rogations. Ecclesiastical. solemn supplication, especially as chanted during procession on the three days (Rogation Days) before Ascension Day.
- roger-ducasse — Jean Jules Amable [zhahn zhyl a-ma-bluh] /ʒɑ̃ ʒül aˈma blə/ (Show IPA), 1873–1954, French composer.
- run sb ragged — If someone runs you ragged, they make you do so much that you become exhausted.
- saint-gaudens — Augustus, 1848–1907, U.S. sculptor, born in Ireland.
- sand painting — the ceremonial practice among Navaho and Pueblo Indians of creating symbolic designs on a flat surface with varicolored sand.
- sand-yachting — the sport of riding in a sand yacht
- santo domingo — a republic in the West Indies, occupying the E part of the island of Hispaniola. 19,129 sq. mi. (49,545 sq. km). Capital: Santo Domingo.
- scale drawing — illustration made in proportion
- scandalmonger — a person who spreads scandal or gossip.
- scanning disk — (in mechanical scanning) a disk with a line of holes spiraling in from its edge, rotated in front of a surface so as to expose a small segment as each hole passes before it for transmitting or reproducing a picture.
- scrambled egg — eggs stirred while cooking
- second-grader — a pupil who is in the second grade
- sedge warbler — a European songbird, Acrocephalus schoenobaenus, of reed beds and swampy areas, having a streaked brownish plumage with white eye stripes: family Muscicapidae (Old World flycatchers, etc)
- segmentalized — separated into parts, sections, elements, classes, etc.; compartmentalized: a segmentalized society.
- self-standing — An object or structure that is self-standing is not supported by other objects or structures.
- semilegendary — having some historical basis, but legendary in part
- sepia drawing — a drawing with a brownish tone, produced by first bleaching it (after fixing) and then immersing it for a short time in a solution of sodium sulphide or of alkaline thiourea
- serodiagnosis — a diagnosis involving tests on blood serum or other serous fluid of the body.
- seventh grade — school year: age 12-13
- shadow boxing — to make the motions of attack and defense, as in boxing, as a training or conditioning procedure.
- shadowcasting — the enhancement of images by the casting of shadows
- shaped charge — a warhead having a concave, hollow end and operating on the Munroe effect.
- sharp-sighted — having keen sight.
- sharp-tongued — characterized by or given to harshness, bitterness, or sarcasm in speech.
- shearing shed — a farm building equipped with power machinery for sheepshearing and equipment for baling wool
- shunting yard — a place where railway coaches are manoeuvred
- sight reading — the act or skill of performing unfamiliar written music, or of translating something written in a foreign language, readily on sight, without previous study
- silla kingdom — an ancient Korean state that unified Korea; flourished in the 7th–10th centuries a.d.
- single thread — the execution of an entire task from beginning to end without interruption
- single-handed — accomplished or done by one person alone: a single-handed victory; single-handed sailing.
- single-masted — (of a boat) having a single mast
- single-valued — (of a function) having the property that each element in the domain has corresponding to it exactly one element in the range.
- skateboarding — a device for riding upon, usually while standing, consisting of a short, oblong piece of wood, plastic, or aluminum mounted on large roller-skate wheels, used on smooth surfaces and requiring better balance of the rider than the ordinary roller skate does.
- slave trading — trafficking in people
- slide changer — a device for changing the slide displayed in a projector
- sliding scale — a variable scale, especially of industrial costs, as wages, that may be adapted to changes in demand.
- small holding — a piece of land rented or sold to a farmer by county authorities for purposes of cultivation.
- smoking stand — an ashtray mounted on a low pedestal, often placed next to an armchair, sofa, etc.
- solidungulate — having a single, undivided hoof on each foot, as a horse.