Robert Town is quoted in a major Milwaukee Journal Sentinel article exploring the unusually high costs of some hospital care in its region of Wisconsin. Town, PhD, is an Associate Professor of Health Care Management at the University of Pennsylvania's Wharton School and an LDI Senior Fellow.
Definitions for porousËpÉr És, ËpoÊr-. porous(adj) able to absorb fluids. the partly porous walls of our digestive system; compacting the soil to make it less porous. porous, poriferous(adj) full of pores or vessels or holes. holey, porous(adj) allowing passage in and out.
Used in geology, hydrogeology, soil science, and building science, the porosity of a porous medium (such as rock or sediment) describes the fraction of void space in the material, where the void may contain, for example, air or water. It is defined by the ratio :orosity is the ratio of pore volume to its total volume. Porosity is controlled by: rock type, pore distribution, cementation, diagenetic history and composition.