This is the 5661st most frequent Russian word.
преимущественно
Predominantly.
The word 'преимущественно' is used to indicate that the majority or main part of the region is covered with dense forests.
Этот регион преимущественно покрыт густыми лесами.
This region is predominantly covered with dense forests.
Here, 'преимущественно' highlights the main focus of the person's activity as scientific work.
Он занимается преимущественно научной деятельностью.
He is primarily engaged in scientific activity.
In this sentence, 'преимущественно' signifies the company's principal operational domain as the energy sector.