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English definition of “Blu-Tack”

Blu-Tack

noun [U]     /ˈbluː.tæk/ trademark
a soft, sticky substance that can be used more than once to temporarily fix light things to a wall or similar surface: Helga stuck her posters up with Blu-Tack.Glues and gluing and stickiness
(Definition of Blu-Tack noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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