13-letter words containing n, a, g, r, i
- screaming tty — [Unix] A terminal line which spews an infinite number of random characters at the operating system. This can happen if the terminal is either disconnected or connected to a powered-off terminal but still enabled for login; misconfiguration, misimplementation, or simple bad luck can start such a terminal screaming. A screaming tty or two can seriously degrade the performance of a vanilla Unix system; the arriving "characters" are treated as userid/password pairs and tested as such. The Unix password encryption algorithm is designed to be computationally intensive in order to foil brute-force crack attacks, so although none of the logins succeeds; the overhead of rejecting them all can be substantial.
- seafaring man — a sailor
- search engine — a computer program that searches documents, especially on the World Wide Web, for a specified word or words and provides a list of documents in which they are found.
- segregational — the act or practice of segregating; a setting apart or separation of people or things from others or from the main body or group: gender segregation in some fundamentalist religions.
- self-catering — holiday accommodation not including meals
- self-ignorant — lacking in knowledge or training; unlearned: an ignorant man.
- self-starting — starter (def 3).
- self-training — the education, instruction, or discipline of a person or thing that is being trained: He's in training for the Olympics.
- 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
- sergeant fish — cobia
- serodiagnosis — a diagnosis involving tests on blood serum or other serous fluid of the body.
- serving hatch — a small hatch or opening in a kitchen wall used to serve food through to an adjoining room
- sharecropping — the practice of cultivating farmland as a sharecropper
- shark finning — the practice of catching sharks, removing their fins (which are commercially valuable) and throwing the rest of the shark back into the sea (often while it is still alive, but doomed to drown because it cannot swim without its fins)
- shaving brush — a short, cylindrical brush with long, soft, bristles, used in lathering the face before shaving.
- shaving cream — a preparation, as of soap and free fatty acid, that is lathered and applied to the face to soften and condition the beard for shaving.
- shaving horse — a trestle for supporting and steadying a piece of work being shaved.
- shearing gang — a group of itinerant workers who contract to shear, class, and bale a farmer's wool clip
- shearing shed — a farm building equipped with power machinery for sheepshearing and equipment for baling wool
- sheep farming — agriculture: sheep raising
- sheepshearing — an act or instance of shearing sheep.
- shilling mark — a virgule, as used as a divider between shillings and pence: One reads 2/6 as “two shillings and sixpence” or “two and six.”.
- shooting star — meteor (def 1b).
- shopping cart — a four-wheeled cart provided by a supermarket or other retail store for a customer's use in collecting purchases.
- shunting yard — a place where railway coaches are manoeuvred
- siberian high — the prevailing high pressure system over Asia in winter.
- 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
- significatory — serving to signify
- single father — a father who brings up a child or children alone, without a partner.
- single market — a market consisting of a number of nations, esp those of the European Union, in which goods, capital, and currencies can move freely across borders without tariffs or restrictions
- single parent — mother or father without a partner
- single thread — the execution of an entire task from beginning to end without interruption
- single-barrel — a gun having one barrel, especially a shotgun.
- single-parent — of or noting a family in which a parent brings up a child or children alone, without a partner: a single-parent family; a single-parent household.
- single-seater — a vehicle that has only one seat
- singles chart — a ranked chart of popular music (individual songs, not albums or collections) for a specific period of time
- singular noun — A singular noun is a noun such as 'standstill' or 'vicinity' that does not have a plural form and always has a determiner such as 'a' or 'the' in front of it.
- 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.
- skin grafting — the transplanting of healthy skin from the patient's or another's body to a wound or burn, to form new skin.
- slave trading — trafficking in people
- sleeping area — an area in a room or house where people can sleep
- slide changer — a device for changing the slide displayed in a projector
- slip trailing — the act of decorating an object with a poured stream of slip.
- slipstreaming — Aeronautics. the airstream pushed back by a revolving aircraft propeller. Compare backwash (def 2), wash (def 31).
- solar heating — to heat (a building) by means of solar energy.
- sound ranging — a method for determining the distance between a point and the position of a sound source by measuring the time lapse between the origin of the sound and its arrival at the point.
- sparking plug — spark plug (def 1).
- speaking part — a part in which the character speaks scripted dialogue
- 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.