This is the 15138th most frequent Russian word.
половое
"Половое" means "sexual" or "pertaining to sex."
In this sentence, 'половое' relates to biology and refers to sexual maturation as a natural process of development.
Половое созревание наступает в подростковом возрасте.
Sexual maturation occurs during adolescence.
Here, 'половое' is used in the context of biology and botany, describing the way organisms reproduce involving sexual processes.
Она изучает половое размножение растений.
She studies sexual reproduction in plants.
In this sentence, 'половое' pertains to distinguishing characteristics between genders or sexes in the study.