Definition of impermeable
: not permitting passage (as of a fluid) through its substance;
broadly
: impervious
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Examples of impermeable in a Sentence
an impermeable layer of rock
a fabric impermeable to moisture
Recent Examples of impermeable from the Web
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Construction—laying down impermeable surfaces like concrete where there was once dirt or wetland—makes floods worse.
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Furthermore, Facebook doesn’t really make people connect with one another across once-impermeable borders.
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Once the holes are clogged, the net is impermeable to the wind, Boreyko said.
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The chain, so impermeable for so long, would have been broken.
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The idea of creating an impermeable vacuum seal on our southern perimeter was appealing to opponents of immigration (legal or not) and drug smuggling.
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Plants like the sacred lotus have water-impermeable leaves, which allow them to separate water from dirt using gravity alone.
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Other residents worried about impact of the request to allow 1.22 acres of the 279 acre landfill to have an impermeable barrier of only about seven feet separating the landfill from the aquifer, which provides water to hundreds of area wells.
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The current regulation calls for a 15 foot impermeable barrier.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'impermeable.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of impermeable
Late Latin impermeabilis, from Latin in- + Late Latin permeabilis permeable
impermeable Synonyms
Synonyms
impassable (also impassible), impenetrable, impervious, impregnable;
Antonyms
IMPERMEABLE Defined for English Language Learners
Definition of impermeable for English Language Learners
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: not allowing something (such as a liquid) to pass through
Medical Dictionary
medical Definition of impermeable
: not permitting passage (as of a fluid) through its substance
- the plasma membrane of a red blood cell is relatively impermeable to sodium and calcium ions
Learn More about impermeable
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Thesaurus: All synonyms and antonyms for impermeable Spanish Central: Translation of impermeable Nglish: Translation of impermeable for Spanish speakers Britannica English: Translation of impermeable for Arabic speakers
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