heat-seal

[ heet-seel ]
/ ˈhitˌsil /

verb (used with object), heat-sealed, heat-seal·ing.

to wrap in clear plastic and make airtight by applying heat to seal the edges.

Origin of heat-seal

First recorded in 1960–65
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019