1. An area of study, profession, or activity that is growing and offering increasing opportunities
Technology is an expanding field with many career opportunities.
A tecnologia é um campo em expansão com muitas oportunidades de carreira.
2. In physics, a region of space that is increasing in size or scope
The expanding field of the universe continues to grow.
O campo em expansão do universo continua a crescer.
3. A domain of knowledge or professional practice that is broadening in scope and influence
Artificial intelligence is an expanding field that attracts many researchers.
A inteligência artificial é um campo em expansão que atrai muitos pesquisadores.