having no flaws
- not allowing atmosphere or gas to pass through in or out
- therefore tight on be impermeable to environment; because, an air-tight cylinder.
- A stove the draft of which may be almost totally closed off.
(a.) Therefore tight on be impermeable to atmosphere; since, an air-tight cylinder.
- (n.) A stove the draft of which can be nearly completely shut down.
This can be shown by suspending an electric bell in the receiver of an air-pump, the wires conveying the current passing through an air-tight cork closing the hole at the top of the receiver.