/ Dictionary / Index I infiltration capacity: Meaning and Definition of Find definitions for: infiltra'tion capac"ity Pronunciation: [key] the maximum rate at which a soil in a given condition will absorb water. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. infiltration infiltration gallery Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language