designed to be disposed of after use; -- of articles of commerce. The term implies that it is less expensive to manufacture a new one than to clean and recycle the used item to make it fit for use again; as, disposable dishes; disposable diapers; disposable gloves. Opposite of reusable.
Describes element which is to be discarded after use and replaced with an identical element. Same as replaceable. Opposite of reusable.
A filter or any other such part of a system, which is intended to be discarded and replaced after each service cycle.