exhaustible adj 1: capable of being used up [ant: {inexhaustible}] 2: capable of being used up; capable of being exhausted; "our exhaustible reserves of fossil fuel"
Exhaustible \Ex*haust"i*ble\, a. Capable of being exhausted, drained off, or expended. Opposite of {inexhaustible}. --Johnson. [1913 Webster +PJC]