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English definition of “tab”

tab

noun [C] (SMALL OBJECT)    /tæb/
a small piece of paper, metal, etc. that is fixed to something larger and is used for giving information, fastening, opening, etc.: Make a file for these documents and write "finance" on the tab. Insert Tab A into Slot A and glue, before standing the model upright.Bands, straps and strips US (UK ringpull) the small piece of metal, often joined to a ring, that is pulled off or pushed into the top of a can (= metal drink container) to open itLids, covers and stoppers Northern English a cigaretteTobacco and smoking (also tab of acid) informal a small piece of paper containing the drug LSDSpecific types of drugDrugs - general wordsSpecific medicines and drugs
(Definition of tab noun (SMALL OBJECT) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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