Definicija: The collection of individual components of solid waste from any source, usually separated into different collection containers, in order to recover, reuse or recycle the material or to facilitate its collection and disposal.

Definicija: Zbiranje posameznih sestavin trdnih odpadkov različnih virov, ponavadi so razdeljeni v različne zbiralne zabojnike za ponovno uporabo oziroma recikliranje snovi ali za pospeševanje zbiranja in odlaganja.