Definition of "heat-sealed" [heat-sealed]

• Simple past tense and past participle of heat-seal. (verb)

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• "It would then be replaced and the jar would be heat-sealed in the microwave."
• "While liquid electrolytes have to be tightly sealed inside a laser-welded metal container, plastic electrolytes can be packaged inside heat-sealed pouches."
• "I have a sample of Kenneth Cole New York Mens that's still pristine in it's heat-sealed wrap from a trip to Sephora about 1400 years ago."