1. A widely accepted belief, principle, or set of teachings that is dominant in a particular field, discipline, or society
The mainstream doctrine in economics emphasizes free market principles.
A doutrina convencional em economia enfatiza os princípios do livre mercado.
2. The prevailing or orthodox theory accepted by the majority within an academic or professional community
The researcher challenged the mainstream doctrine of her field with innovative findings.
A pesquisadora desafiou a doutrina convencional de seu campo com descobertas inovadoras.