1. (n.) The act or process of infiltrating, as if water into a porous substance, or of a fluid into the cells of an organ or part of the body.

2. (n.) The substance which has entered the pores or cavities of a body.

absorbency absorbent absorption access admission adsorbent adsorption aerial tactics aggravated assault aggression airborne tactics amphibious attack applied tactics armed assault armored tactics assailing assailment assault assimilation attack banzai attack barrier tactics blitz blitzkrieg blotter blotting blotting paper breakthrough brewing cavalry tactics charge chemisorption chemosorption counterattack counteroffensive coup de main crippling attack dead set at decoction defensive strategy descent on digestion diversion diversionary attack drench drenching drive ducking dunking encirclement encroachment endosmosis engrossment entrance entree entrenchment entry exosmosis feint fire tactics flank attack frontal attack gas attack head-on attack imbruement imbuement impingement import importation importing imposition impregnation income incoming incursion infantry tactics influx infringement infusion ingoing ingress ingression injection input inroad insertion insinuation instillation instillment intake interference interjection interloping interpenetration interposition interposure interruption intervention introduction introgression intrusion invasion investment irruption leaching leakage lightning attack lightning war lixiviation maceration marination mass attack megadeath mob tactics mobile tactics mugging obtrusion offense offensive onset onslaught osmosis overkill panzer warfare penetration percolation permeation pervasion pincers movement pulping push reception run against run at rush sally saturation seepage seething shock tactics soak soakage soaking sopping sorption sortie souse sousing sponge sponging steeping strategy strike suffusion tactics trespass trespassing unlawful entry unprovoked assault