16-letter words containing s, o, r
- go-faster stripe — a decorative line, intended to be suggestive of high speed, on the bodywork of a car
- gold star mother — an American woman whose son or daughter has died while serving in the United States Armed Forces
- gold-of-pleasure — a yellow-flowered Eurasian plant, Camelina sativa, widespread as a weed, esp in flax fields, and formerly cultivated for its oil-rich seeds: family Brassicaceae (crucifers)
- golden horseshoe — the urban and agricultural area surrounding Toronto.
- good housekeeper — a person who is an efficient and thrifty domestic manager
- good-heartedness — the quality of being good-hearted
- goods in transit — articles that are in the process of being carried by vehicle from one place to another
- government house — the official residence of a colonial governor, as in a British Commonwealth country.
- government issue — (often initial capital letter) issued or supplied by the government or one of its agencies.
- government stock — stock issued by the UK or another national government
- governors island — an island in New York Bay at the S end of the East River: U.S. military post. 2 sq. mi. (5 sq. km).
- grade separation — separation of the levels at which roads, railroads, paths, etc., cross one another in order to prevent conflicting rows of traffic or the possibility of accidents.
- gram atomic mass — the quantity of an element whose weight in grams is numerically equal to the atomic weight of the element.
- grand inquisitor — (often initial capital letters) the presiding officer of a court of inquisition.
- graphics adaptor — (hardware, graphics) (Or "graphics adapter", "graphics card", "video adaptor", etc.) A circuit board fitted to a computer, especially an IBM PC, containing the necessary video memory and other electronics to provide a bitmap display. Adaptors vary in the resolution (number of pixels) and number of colours they can display, and in the refresh rate they support. These parameters are also limited by the monitor to which the adaptor is connected. A number of such display standards, e.g. SVGA, have become common and different software requires or supports different sets.
- great depression — the economic crisis and period of low business activity in the U.S. and other countries, roughly beginning with the stock-market crash in October, 1929, and continuing through most of the 1930s.
- great soil group — according to a system of classification that originated in Russia, any of several broad groups of soils with common characteristics usually associated with particular climates and vegetation types.
- green cross code — (in Britain) a code for children giving rules for road safety: first issued in 1971
- gregory of nyssa — Saint, a.d. c330–395? Christian bishop and theologian in Asia Minor (brother of Saint Basil).
- gregory of tours — Saint, a.d. 538?–594, Frankish bishop and historian.
- gregory's powder — a formulation of rhubarb powder used as a laxative or purgative
- grit one's teeth — abrasive particles or granules, as of sand or other small, coarse impurities found in the air, food, water, etc.
- gross misconduct — a proven crime in connection with employment that is serious enough to require dismissal
- gross negligence — extreme carelessness that shows wilful or reckless disregard for the consequences to the safety or property of another
- ground substance — Also called matrix. the homogeneous substance in which the fibers and cells of connective tissue are embedded.
- growth substance — any substance, produced naturally by a plant or manufactured commercially, that, in very low concentrations, affects plant growth; a plant hormone
- guaranteed stock — stock for which dividends are guaranteed by a company other than the one issuing the stock.
- gulf of honduras — an inlet of the Caribbean, on the coasts of Honduras, Guatemala, and Belize
- gum up the works — exertion or effort directed to produce or accomplish something; labor; toil.
- gun control laws — the laws that restrict the possession and use of guns
- gynandromorphism — an individual exhibiting morphological characteristics of both sexes.
- gynandromorphous — an individual exhibiting morphological characteristics of both sexes.
- gyratory crusher — A gyratory crusher is a crusher in which a cone-shaped rod rotates in a cone-shaped bowl.
- haemochromatosis — (British spelling) alternative spelling of hemochromatosis.
- hamadryas baboon — a baboon, Papio (Comopithecus) hamadryas, of Ethiopia, the male of which has a mantle of long, dark hair about the head and shoulders: held sacred by the ancient Egyptians.
- hammer and tongs — with great vigor, determination, or vehemence: When he starts a job he goes at it hammer and tongs.
- hard times token — any of a series of U.S. copper tokens, issued 1834–41, bearing a political inscription or advertising message and serving as currency during coin shortages.
- hard-packed snow — snow which becomes very firmly packed as it becomes refrozen due to cold weather conditions rather than melting
- hare's-foot fern — a fern, Polypodium aureum, of tropical America, having a brown, scaly rootstock and green or deep bluish-green fronds.
- harvey firestone — Harvey Samuel, 1868–1938, U.S. industrialist and rubber manufacturer.
- health inspector — a public employee who inspects places such as restaurants, shops, factories etc to make sure they are hygienic and do not pose any dangers to health
- heat prostration — heat exhaustion.
- hematocrystallin — (biology, archaic) hemoglobin.
- hemotherapeutics — hemotherapy.
- hepatopancreases — Plural form of hepatopancreas.
- heralds' college — a royal corporation in England, instituted in 1483, concerned chiefly with armorial bearings, genealogies, honors, and precedence.
- hernando de soto — Hernando [her-nan-doh;; Spanish er-nahn-daw] /hərˈnæn doʊ;; Spanish ɛrˈnɑn dɔ/ (Show IPA), or Fernando [fer-nan-doh;; Spanish fer-nahn-daw] /fərˈnæn doʊ;; Spanish fɛrˈnɑn dɔ/ (Show IPA), c1500–42, Spanish soldier and explorer in America.
- heterochromosome — sex chromosome.
- heterometabolism — insect development in which the young hatch in a form very similar to the adult and then mature without a pupal stage
- heterometabolous — undergoing development in which the young are born adultlike in form, often maturing without a pupal stage.