impermeable
im·per·meable
adjective
1.
preventing especially liquids to pass or diffuse through
- “impermeable stone”
- “an impermeable layer of scum”
- “a coat impermeable to rain”
Origin
Apparently from im- + permeable. Compare French imperméable, from Latin impermeābilis, from im- + permeābilis (“permeable”).
Phrases
- hermetically sealed
Related words
Word family
See also
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.