18-letter words containing g, r, a, n, c
- racial segregation — social policy: separation of races
- radio range beacon — a radio transmitter that utilizes two or more directional antennas and transmits signals differing with direction, permitting a flier receiving a signal to determine his or her approximate bearing from the transmitter without a radio compass.
- radioactive dating — any method of determining the age of earth materials or objects of organic origin based on measurement of either short-lived radioactive elements or the amount of a long-lived radioactive element plus its decay product.
- radiocarbon dating — the determination of the age of objects of organic origin by measurement of the radioactivity of their carbon content.
- radiometric dating — any method of determining the age of earth materials or objects of organic origin based on measurement of either short-lived radioactive elements or the amount of a long-lived radioactive element plus its decay product.
- rain cats and dogs — water that is condensed from the aqueous vapor in the atmosphere and falls to earth in drops more than 1/50 inch (0.5 mm) in diameter. Compare drizzle (def 6).
- reciprocating pump — A reciprocating pump is a pump which uses a backward and forward movement to move a fluid.
- recruitment agency — company that places job candidates
- reduction strategy — (theory) An algorithm for deciding which redex(es) to reduce next. Different strategies have different termination properties in the presence of recursive functions or values. See string reduction, normal order reduction, applicative order reduction, parallel reduction
- registered company — a company which has officially registered its business
- 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
- schengen agreement — an agreement, signed in 1985 at a meeting of European leaders near Schengen, Luxembourg, but not implemented until 1995, to gradually abolish border controls within Europe; it was supplemented in 1990 by the Schengen Convention; in 1999 the agreement was incorporated into European Union law. Twenty-six countries acceded by 2015; the UK is not a signatory
- 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
- shugart technology — Seagate Technology
- skin friction drag — aerodynamic resistance or drag due to the contact of moving air with the surface of an airplane, a glider, etc.
- 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
- sound spectrograph — an electronic device for recording a sound spectogram.
- 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.
- state of emergency — If a government or other authority declares a state of emergency in an area, it introduces special measures such as increased powers for the police or army, usually because of civil disorder or because of a natural disaster such as an earthquake.
- 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
- 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.
- technical sergeant — a noncommissioned officer ranking below a master sergeant and above a staff sergeant.