dis·pos·a·ble 
(dĭ-spōzə-bəl)
(dĭ-spōzə-bəl)adj.
1. Designed to be disposed of after use: disposable diapers; disposable razors.
2.
a. Remaining to a person after taxes have been deducted: disposable income.
b. Free for use; available: Every disposable piece of equipment was sent to the fire.
n.
Something, such as a diaper or hypodermic syringe, that can be disposed of after one use.
dis·pos′a·bili·ty n.
dis·posa·bly adv.