How to say "to determine, to define" in Russian?

[Opredelit]

"to determine, to define" is Определить in Russian.

Определить means "to determine, to define" in English.

Word #1479 of 6,000 by frequency in Russian.

Врач должен определить причину болезни быстро.

The doctor must determine the cause of the illness quickly.

• Поздравлять, to congratulate
• Мешать, To interfere
• Ранить, to wound, to injure
• Август, August
• Танец, Dance
• Сломать, to break
• Период, Period
• Спешить, to hurry, to rush