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tool

Device for making material changes on other objects, as by cutting, shearing, striking, rubbing, grinding, squeezing, measuring, or other process. A hand tool is a small manual instrument traditionally operated by the muscular strength of the user; a machine tool is a power-driven mechanism used to cut, shape, or form materials such as wood and metal. Tools are the main means by which human beings control and manipulate their physical environment.

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tool

(1) A program used for software development or system maintenance. Virtually any program or utility that helps programmers or users develop applications or maintain their computers can be called a tool. Examples of programming tools are compilers, interpreters, assemblers, 4GLs, editors, debuggers and application generators. See toolkit.

(2) A program that helps the user analyze or search for data. For example, query and report programs are often called query tools and report tools.

(3) An on-screen function in a graphics program; for example, a line draw, circle draw or brush tool.

(4) A software control panel for setting user preferences. See tools menu.

(5) Sometimes, people will call any software a "tool." For example, the phrase, "there aren't any tools to do that job" means that no application is available to perform the required processing.

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tool

1. 

a. an implement, such as a hammer, saw, or spade, that is used by hand

b. a power-driven instrument; machine tool

2. the cutting part of such an instrument

3. 

a. any of the instruments used by a bookbinder to impress a design on a book cover

b. a design so impressed

4. anything used as a means of performing an operation or achieving an end

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1.	(tool)	tool - A program used primarily to create, manipulate, modify, or analyse other programs, such as a compiler or an editor or a cross-referencing program. Opposite: app, operating system.
2.		tool - A Unix application program with a simple, "transparent" (typically text-stream) interface designed specifically to be used in programmed combination with other tools (see filter, plumbing).
3.	(jargon)	tool - (MIT: general to students there) To work; to study (connotes tedium). The TMRC Dictionary defined this as "to set one's brain to the grindstone". See hack.
4.	(jargon, person)	tool - (MIT) A student who studies too much and hacks too little. MIT's student humour magazine rejoices in the name "Tool and Die".