air tight seal
- hermeticImpenetrably closed off
- vacuumAbsence of matter
- gasketMechanical leak preventer
- watertightPrevents liquid from passing
- sealedClosed to prevent entry
pressurized · container · lid · rubber · caulk · preserve · freshness · lock · compress · suction · jar · tupperware · zipper · clamp · moisture · oxygen · sterile · impermeable