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English to English noun
| 1 |
a process in which individuals (or small groups) penetrate an area (especially the military penetration of enemy positions without detection) |  | source: wordnet30
| 2 |
the slow passage of a liquid through a filtering medium | | Example: the percolation of rainwater through the soil
the infiltration of seawater through the lava
source: wordnet30
| 3 |
The act or process of infiltrating, as of water into a porous substance, or of a fluid into the cells of an organ or part of the body. | | source: webster1913
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