dis·pens·a·ble 
(dĭ-spĕnsə-bəl)
(dĭ-spĕnsə-bəl)adj.
1. Not essential; unimportant: dispensable items of personal property.
2. Capable of being dispensed, administered, or distributed: dispensable drugs.
3. Subject to dispensation, as a vow or church law.
dis·pens′a·bili·ty, dis·pensa·ble·ness n.