An Etymological Dictionary of Astronomy and Astrophysics
English-French-Persian

The state, process, or condition of being or becoming obsolete or outdated and no longer used.

→ obsolete; → -escence.

The business strategy of deliberately designing products so they have a limited effective lifespan. Its objective is to incite the consumer to abandon the currently owned item and buy another one.

Planned, p.p. of "to → plan;" → obsolescence.