1. A medical or therapeutic approach that differs from conventional or orthodox medicine, often based on traditional, natural, or holistic practices
She decided to try alternative treatment for her chronic pain instead of surgery.
Ela decidiu experimentar um tratamento alternativo para sua dor crônica em vez de fazer cirurgia.
2. Any non-standard method or approach used as a substitute for the conventional option
The company explored alternative treatment of waste materials to reduce environmental impact.
A empresa explorou o tratamento alternativo de resíduos para reduzir o impacto ambiental.