impermeable

The case, or impermeable apparel, in which a diver can work while under water.

of such close construction as to be impermeable

a closely constrained or constricted or constricting s pulled or drawn tight s set so close together as to be invulnerable to penetration s pressed tightly together s (used of persons or behavior) characterized by or indicative of lack of generosity s affected by scarcity and expensive to borrow a of such close construction as to be impermeable s of textiles s securely or solidly fixed in place