1. An area or region that is undergoing economic, social, or infrastructural growth and modernization
The city invested heavily in the developing zone to attract new businesses.
A cidade investiu pesadamente na zona em desenvolvimento para atrair novos negócios.
2. In biology, a region of an organism where growth and differentiation are actively occurring
The developing zone of the plant root controls its growth direction.
A zona em desenvolvimento da raiz da planta controla sua direção de crescimento.