English version

impermeable

From Longman Dictionary of Contemporary Englishimpermeableim‧per‧me‧a‧ble /ɪmˈpɜːmiəbəl $ -ɜːr-/ adjective technical  LIQUIDHARDnot allowing liquids or gases to pass through opp permeable No paint is impermeable to water vapour.
Examples from the Corpus
impermeableIt was in a shrink-wrap cellophane coating, and the seal was impermeable.These and similar rocks are impermeable.The layer of clay acts as an impermeable barrier against some chemicals.Otherwise it will yield little or no water from the impermeable confining layer.Also, large quantities of free gas or other hydrocarbons can be trapped beneath impermeable gas hydrate layers.Water can not easily flow in these impermeable rocks.The quick deposition of these sediments resulted in clay compaction and the isolation of porous and permeable sand with impermeable shales.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.
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