18-letter words containing a, c, i, n, g
- replacement engine — an engine used to replace or substitute an older or broken engine (in a vehicle, etc)
- reprocessing plant — a plant where materials are treated in order to make them reusable
- resistance fighter — someone who fights (for freedom, etc) against an invader in an occupied country, or against their government, etc, often secretly or illegally
- resistance welding — welding utilizing pressure and heat that is generated in the pieces to be welded by resistance to an electric current.
- restraining circle — any of three circles on the floor of a basketball court used for jump balls: other players must remain outside the circle during a jump ball
- rhyming dictionary — a specialist dictionary organized by the final sounds of words, used to write poetry
- rolling resistance — The rolling resistance of a wheel or ball is its resistance to movement caused by friction between it and the surface it is rolling on.
- roman congregation — any of the executive departments of the Curia Romana as the administration of the Roman Catholic Church.
- running commentary — non-stop description of sth
- sampling frequency — sample rate
- sampling statistic — any function of observed data, esp one used to estimate the corresponding parameter of the underlying distribution, such as the sample mean, sample variance, etc
- school-leaving age — the minimum age that children are legally allowed to leave school - in Britain and the United States, this is 16
- scripting language — a language that is used to write scripts, or executable sections of code that automate tasks.
- secondary diagonal — a diagonal line or plane.
- secondary offering — the sale of a large block of outstanding stock off the floor of an exchange, usually by a major stockholder.
- secretarial agency — a recruiting business which deals with jobs for secretaries
- security agreement — business: contract
- self-deprecatingly — in a self-deprecating manner
- self-glorification — a glorified or more splendid form of something.
- self-gratification — the act of pleasing or satisfying oneself, especially the gratifying of one's own impulses, needs, or desires.
- self-incriminating — serving to incriminate oneself or to expose oneself to prosecution: self-incriminating testimony.
- self-tapping screw — a screw designed to tap its corresponding female thread as it is driven.
- shipping container — a large, strong container, usually of metal, used to store goods in during shipment
- sign of the zodiac — one of the twelve constellations along the path of the ecliptic.
- significance level — (in the statistical test of a hypothesis) the maximum probability of a Type I error for all distributions consistent with the null hypothesis.
- significant symbol — a verbal or nonverbal gesture, as a word or smile, that has acquired a conventionalized meaning.
- skin friction drag — aerodynamic resistance or drag due to the contact of moving air with the surface of an airplane, a glider, etc.
- sleeping policeman — a bump built across roads, esp in housing estates, to deter motorists from speeding
- social bookmarking — the practice of saving bookmarked Web pages to a public website as a way to share the links with other Internet users: Social bookmarking is a tool that allows you to add tags and comments to your bookmarks.
- social engineering — the application of the findings of social science to the solution of actual social problems.
- societal marketing — marketing that takes into account society's long-term welfare
- sociotechnological — of, relating to, or signifying the combination or interaction of social and technological factors.
- soft touch sealing — Soft touch sealing is a copolymer seal for a tank, with characteristics designed for softness, used instead of a metal seal to help avoid fire when sparks are generated.
- spackling compound — spackle
- spaghetti junction — an interchange, usually between motorways, in which there are a large number of underpasses and overpasses and intersecting roads used by a large volume of high-speed traffic
- specimen signature — a signature to be compared to an original signature in order to verify someone's identity
- spherical triangle — a triangle formed by arcs of great circles of a sphere.
- standing committee — a permanent committee, as of a legislature, society, etc., intended to consider all matters pertaining to a designated subject.
- stepping-off place — jumping-off place (def 2).
- stinking chamomile — mayweed.
- strathclyde region — a former local government region in W Scotland: formed in 1975 from Glasgow, Renfrewshire, Lanarkshire, Buteshire, Dunbartonshire, and parts of Argyllshire, Ayrshire, and Stirlingshire; replaced in 1996 by the council areas of Glasgow, Renfrewshire, East Renfrewshire, Inverclyde, North Lanarkshire, South Lanarkshire, Argyll and Bute, East Dunbartonshire, West Dunbartonshire, North Ayrshire, South Ayrshire, and East Ayrshire
- strong interaction — the interaction between gluons and between gluons and quarks that is responsible for the strong force.
- summary proceeding — a mode of trial authorized by statute to be held before a judge without the usual full hearing.
- supporting actress — an actress playing a supporting role
- surgical appliance — a specialized device used by somebody to relieve a particular medical condition
- swarm intelligence — the collective behaviour of a group of animals, esp social insects such as ants, bees, and termites, that are each following very basic rules
- swedish gymnastics — a system of passive and active exercising of muscles and joints
- sweptwing aircraft — an aircraft which has wings that are swept (usually) backwards
- sympathetic string — a thin wire string, as in various obsolete musical instruments, designed to vibrate sympathetically with the bowed or plucked strings to reinforce the sound.
- take cognizance of — note, acknowledge