sealing
n. uncountablen. the act of closing something tightly so that air, water, or other things cannot get in or out. It can also refer to the material used to make this tight closure.
n. the act or process of closing something securely to prevent the passage of fluids, gases, or contaminants. Often refers to the application of a substance or device to create an airtight or watertight closure.
The sealing of the container prevents the food from spoiling.
Proper sealing of the windows is essential for keeping the house warm during the winter months.
The engineer inspected the vacuum chamber's sealing to ensure that no external atmospheric pressure could compromise the integrity of the delicate experiment inside.
From seal (“device”) + -ing.
From seal (“mammal”) + -ing.
Often functions as a gerund noun describing the action; can also appear in compound nouns like 'sealing wax' or 'sealing ring'.