Definitions
1.NounThe 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.
process by which water on the ground surface enters the soil.
2.Nounprocess by which water on the ground surface enters the soil.
3.NounThe substance which has entered the pores or cavities of a body.
4.NounThe act of secretly entering a physical location and/or organization.