A subset of a group that is formed naturally, typically having a specific structure or properties that are preserved from the larger group.

प्राकृतिक उपसमुच्चय

English Usage: The set of even numbers is a natural subgroup of the integers.

Hindi Usage: समन्वित अंकों का सेट एक प्राकृतिक उपसमुच्चय है।