This is the 975th most frequent Russian word.
целях
The word "целях" is the prepositional plural form of "цель" and means "purposes" or "goals" in English.
In this sentence, 'целях' is in the prepositional case, referring to 'purposes' or 'aims' in the context of its usage with the preposition 'в'.
Это лекарство используется в медицинских целях.
This medicine is used for medical purposes.
In this example, 'целях' serves to specify the aim or goal of conducting research, indicating its application to scientific purposes.
Они проводят исследования в научных целях.
They conduct research for scientific purposes.
Here, 'целях' again conveys the idea of intention or purpose within the context of education, paired with 'в' to indicate the purpose for which the policy was made.