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Definition of Heat-seal
1. Verb. (transitive) To enclose (something) in plastic wrapping and make an airtight seal by applying heat to fuse the edges of the wrapping together. ¹
¹ Source: wiktionary.com
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1. Verb. (transitive) To enclose (something) in plastic wrapping and make an airtight seal by applying heat to fuse the edges of the wrapping together. ¹
¹ Source: wiktionary.com