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What is "impermeable"

Crossword clues for impermeable

impermeable
Longman Dictionary of Contemporary English
impermeable
adjective
EXAMPLES FROM OTHER ENTRIES
▪ The layer of clay acts as an impermeable barrier against some chemicals.
EXAMPLES FROM CORPUS
▪ Also, large quantities of free gas or other hydrocarbons can be trapped beneath impermeable gas hydrate layers.
▪ But the odds are that even those women who appear impermeable to pain are suffering great hurt behind their face-saving pose.
▪ In the absence of antidiuretic hormone, the distal tubule and collecting duct are impermeable to water.
▪ It was in a shrink-wrap cellophane coating, and the seal was impermeable.
▪ Otherwise it will yield little or no water from the impermeable confining layer.
▪ The quick deposition of these sediments resulted in clay compaction and the isolation of porous and permeable sand with impermeable shales.
▪ These and similar rocks are impermeable.
▪ Water can not easily flow in these impermeable rocks.
The Collaborative International Dictionary
Impermeable

Impermeable \Im*per"me*a*ble\, a. [Pref. im- not + permeable: cf. F. imperm['e]able, L. impermeabilis.] Not permeable; not permitting passage, as of a fluid. through its substance; impervious; impenetrable; as, India rubber is impermeable to water and to air. -- Im*per"me*a*ble*ness, n. -- Im*per"me*a*bly, adv.

Douglas Harper's Etymology Dictionary
impermeable

1690s, from French imperméable, from Late Latin impermeabilis, from assimilated form of in- "not, opposite of" (see in- (1)) + permeabilis (see permeable).

Wiktionary
impermeable

a. 1 impossible to permeate 2 not allowing passage, especially of liquids; waterproof

WordNet
impermeable

adj. preventing especially liquids to pass or diffuse through; "impermeable stone"; "an impermeable layer of scum"; "a coat impermeable to rain" [ant: permeable]

Usage examples of "impermeable".

Ajit had intended for her to take this identical Bubu with her to the craft village and switch it with the first Bubu, to whose signals the airjam had proved impermeable.

Perhaps the swarms had been trained by their experience at the lab to think doors and windows were impermeable.

Wholly engulfed, unable to break through to the surface: above his head a solid sheet, impermeable, infrangible, sealing him away from the air.

If only he could bury his fears as easily as the ancient Sauun had inurned their marvelous, enigmatic, sinuous layer of impermeable ceramic.

Many minds, smooth as water-rolled pebbles, impermeable as neutron stars.

Farther down a channel had been cut into the rock, directing the meager but precious flow across the impermeable stone at the bottom of the cleft into the natural depression of the pool.

They tie nkisis of leaves around their wrists and declare themselves impermeable to bullets, immune to death.

If the overlying rock is impermeable, it will seal off both the top and the flanks of the sandstone, resulting in a viable "pinch-out" oil trap.

This something, however, is not ex tended, not impermeable, not composite, because such predicates concern sensibility only and its intuition, whenever we are affected by these (to us otherwise unknown) objects.

The good news is that the faulting can result in an impermeable rock layer being moved alongside a reservoir rock layer, preventing oil from escaping on that side.

It was set with sea-urchin candleholders, scallop-shell plates, mussel-shell spoons, and dark amber-green dishes formed from lacquered bull-kelp—a material light and strong, malleable when fresh yet as hard and impermeable as vitreous when dry.

To treat the hide in such a way that it was both impermeable to water and air-tight, they had to prepare a paste over a slow fire, mixing three pounds of wax, one pound of Venetian turpentine, and four ounces of another varnish used by carpenters.