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English definition of “tool”

tool

noun [C] (EQUIPMENT)    /tuːl/
a piece of equipment that you use with your hands to make or repair something: power tools machine toolsTools in general something that helps you to do a particular activity: A free low-interest credit card can be a useful budgeting tool.Things needed for a task tool of the trade A tool of the trade is something you need to use to do your job: For the modern sales executive, a Blackberry is one of the tools of the trade.Things needed for a task
(Definition of tool noun (EQUIPMENT) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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