The meaning of IMPERMEABLE is not permitting passage (as of a fluid) through its substance; broadly : impervious. How to use impermeable in a sentence.

The male warrior is supposed to have a completely impermeable, sealed-up body that can not be penetrated by anything.

Factsheet What does the adjective impermeable mean? There are three meanings listed in OED's entry for the adjective impermeable. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

Mar 27, 2024 · Impervious surfaces resist penetration by water due to their structure, like concrete, while impermeable materials, such as rubber, do not allow fluids to pass through at the molecular level.

Relating to a material through which substances, such as liquids or gases, cannot pass. Some substances, such as some types of contact lenses, are permeable to gas but impermeable to liquid.

The word 'impermeable' comes from the Latin word 'impermeabilis', which is a combination of 'in-' (not) and 'permeabilis' (permeable). The term has been used in English since the early 17th century to …

Geology, Chemistry (of porous substances, etc.) not permitting a fluid to pass through: The tree cells have an impermeable membrane. im•per•me•a•bil•i•ty /ɪmˌpɜrmiəˈbɪlɪti/ n. [uncountable]

Clothing such as plastic fabrics that are impermeable to sweat and thus do not facilitate heat loss through evaporation can actually contribute to heat stress.

Synonyms for IMPERMEABLE: impervious, dense, close, impenetrable, impassable, impregnable, thick, frozen; Antonyms of IMPERMEABLE: permeable, negotiable, soft, passable, elastic, penetrable, …

Resistant or impervious to the passage or penetration of substances or elements, such as liquids, gases, or even light. See example sentences, synonyms, and etymology for the adjective impermeable.