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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Aquifers can be confined, separated from the surface by an impermeable layer of dirt or rock, or unconfined, with water entering from the ground directly above.
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 Defined for English Language Learners
impermeable
playDefinition of impermeable for English Language Learners
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: not allowing something (such as a liquid) to pass through
Medical Dictionary
impermeable
playMedical 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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