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Impermeable vs Semipermeable - What's the difference?

impermeable | semipermeable |

As adjectives the difference between impermeable and semipermeable

is that impermeable is waterproof while semipermeable is permeable to some things and not to others, as a cell membrane which allows some molecules through but blocks others substances.

As a noun impermeable

is raincoat.

impermeable

English

Adjective

(en adjective)
  • impossible to permeate
  • not allowing passage, especially of liquids; waterproof

    • Synonyms

    * sealed

    Antonyms

    * permeable

    Related terms

    * nonpermeable * permeability * impermeability

    semipermeable

    English

    Adjective

    (en adjective)
  • Permeable to some things and not to others, as a cell membrane which allows some molecules through but blocks others substances.

    • See also

    * osmosis