IMPERMEABLE

impermeable. Impermeable, a. that cannot be passed through

---

Im‐per″me‐a‐ble (?), a. [[Pref. im- not + permeable: cf. F. imperméable, L. impermeabilis.]] Not permeable; not permitting passage, as of a fluid. through its substance; impervious; impenetrable; as, India rubber is impermeable to water and to air. — Im‐per″me‐a‐ble‐ness, n. — Im‐per″me‐a‐bly, adv.