Seepage

noun

Definitions

Noun
  1. 1
    The process by which something, especially a liquid, leaks through a porous substance; the process of seeping. (Also used figuratively: the process of diffusing.) countable, uncountable

    "[…] while they all admit that the most serious losses occur by seepage of gas from, and oil into, the combustion-chamber and that this seepage is […]"

  2. 2
    the process of seeping wordnet
  3. 3
    Water that has seeped or oozed through a porous soil. countable, uncountable

Etymology

From seep + -age.

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