1. A unit of measurement based on established customs, agreements, or standards rather than fundamental physical constants
The calorie is a conventional unit of energy, though the joule is the SI standard.
A caloria é uma unidade convencional de energia, embora o joule seja o padrão SI.
2. A measurement unit that has been traditionally adopted by convention in a specific field or discipline
In medicine, the conventional unit for measuring blood glucose is mg/dL in many countries.
Na medicina, a unidade convencional para medir a glicose no sangue é mg/dL em muitos países.