La palabra del día: Devolución

Feminine noun. In retail, is the process of a customer taking previously purchased merchandise back to the retailer, and in turn receiving a refund in the original form of payment, exchange for another item (identical or different), or a store credit. E.g.: La devolución de compras de paquetes multiples en empaques sin abrir serán reembolsadas al precio prorrateado de compra por caja al momento de la venta: Returns of unopened boxes from multi-pack purchases will be refunded at the pro-rata purchase price per box at the time of original sale.
The verb is devolver. dc