1. An industry or area of economic activity that is growing in size, output, employment, or market share
The technology sector is an expanding sector in most developed economies.
O setor de tecnologia é um setor em expansão na maioria das economias desenvolvidas.
2. A business segment experiencing increased demand and investment
Renewable energy has become an expanding sector worldwide.
A energia renovável tornou-se um setor em expansão em todo o mundo.