This is the 264th most frequent Bulgarian word.
енергия
Energy.
Here, 'енергия' is used in the context of a specific type of physical power within scientific and engineering disciplines.
Науката позволява преобразуването на механична енергия в електрическа.
Science allows the conversion of mechanical energy into electrical.
The word 'енергия' here refers to the inherent power produced and radiated by the sun.
Слънцето е източник на огромна енергия.
The sun is a source of immense energy.
The word 'енергия' in this sentence describes vitality and enthusiasm in a person's behavior or demeanor.