impermeable

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impermeable

 [im-per´me-ah-b'l]
not permitting passage, as for fluid.

im·per·me·a·ble

(im-per'mē-ă-bĕl),
Not permeable; not permitting the passage of substances (for example, liquids, gases) or heat through a membrane or other structure.
Synonym(s): impervious
[L. im- permeabilis, not to be passed through]

impermeable

/im·per·me·a·ble/ (-per´me-ah-b'l) not permitting passage, as of fluid.

impermeable

[impur′mē·əbəl]
Etymology: L, im, not, permeare, to pass through
(of a tissue, membrane, or film) preventing the passage of a substance through it. Also impervious [impur′vē·əs] . Compare permeable.

im·per·me·a·ble

(im-pĕr'mē-ă-bĕl)
Not permitting the passage of liquids, gases, or heat through a membrane or other structure.
[L. im- permeabilis, not to be passed through]

impermeable

preventing fluid passage through membranes

impermeable

not permitting passage, as for fluid.