interstitial water saturation

interstitial water saturation

[¦in·ter¦stish·əl ¦wȯd·ər ′sach·ə′rā·shən]
(hydrology)
The water content of a subterranean reservoir formation.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.