This is the 575th most frequent Macedonian word.
кислородна
"Кислородна" in English means "oxygen" (adjective form, e.g., "oxygen-related").
In this sentence, 'кислородна' modifies 'вода' (water) to indicate it has been oxygenated.
Кислородна вода се користи во медицината.
Oxygenated water is used in medicine.
Here, 'кислородна' is an adjective describing a type of therapy ('oxygen therapy').
Кислородна терапија може да биде дел од третманот.
Oxygen therapy can be part of the treatment.
The word 'кислородна' here is used as an adjective to describe the type of mask ('oxygen mask').