18-letter words containing g, r, b
- relational algebra — (database, theory) A family of algebra with a well-founded semantics used for modelling the data stored in relational databases, and defining queries on it. The main operations of the relational algebra are the set operations (such as union, intersection, and cartesian product), selection (keeping only some lines of a table) and the projection (keeping only some columns). The relational data model describes how the data is structured.
- richard p. gabriel — Richard Gabriel
- risk based testing — (testing) Testing based on identification of potential risks (or "candidate risks"), which should be analysed by the project stakeholder or which might appear during the project's development.
- rufous hummingbird — a reddish-brown hummingbird, Selasphorus rufus, of western North America.
- saturation bombing — intense area bombing intended to destroy everything in the target area.
- second-degree burn — a burned place or area: a burn where fire had ripped through the forest.
- selective breeding — the raising of animals with particular genetic traits through careful choice of parents
- sir george gilbert — Barbara Ann, 1928–2012, Canadian figure skater.
- 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.
- squirting cucumber — a Mediterranean plant, Ecballium elaterium, of the gourd family, whose ripened fruit forcibly ejects the seeds and juice.
- stand-by generator — an electrical system which operates automatically in case the usual system malfunctions
- stand-by passenger — someone who buys a (usually cheaper) ticket, if they are still available, on a plane just before it is about to leave rather than booking in advance
- strangeness number — a quantum number, designating the strangeness of an elementary particle, equivalent to the hypercharge minus the baryon number
- submaxillary gland — submandibular gland.
- supraorbital ridge — browridge.
- the general public — the people in a society; people in general
- tip of the iceberg — a large floating mass of ice, detached from a glacier and carried out to sea.
- to be above ground — to be alive
- to be caught short — If you are caught short or are taken short, you feel a sudden strong need to urinate, especially when you cannot easily find a toilet.
- to get a bad press — If someone or something gets a bad press, they are criticized, especially in the newspapers, on television, or on radio. If they get a good press, they are praised.
- transporter bridge — a bridge for carrying passengers and vehicles by means of a platform suspended from a trolley.
- travelling library — a mobile library in which a vehicle such as a van delivers books to be borrowed
- treaty obligations — obligations or duties that must be carried out by a party as according to a treaty they have entered into
- universal debugger — (tool, parallel) (udb) KSR's interactive source level debugger for serial and parallel programs written in KSR, Fortran, KSR C and KSR1 assembly language. Udb is a source level debugger for testing and debugging serial and parallel programs; it is compatible with GDB and dbx. The user can direct udb either by typing commands or graphically through an X-based window interface; the latter provides simultaneous display of source code, I/O and instructions. For parallel programs, operations can be carried out per-thread.
- urban homesteading — homesteading (def 2).
- westinghouse brake — a railroad air brake operated by compressed air.
- wingback formation — single wingback formation.
- wood-burning stove — cooker: fueled by wood
- working men's club — A working men's club is a place where working people, especially men, can go to relax, drink alcoholic drinks, and sometimes watch live entertainment.