What is the meaning of Characteristic?

Being a distinguishing feature of a person or thing.

A distinguishing feature of a person or thing, a part of mental or physical behavior.

The distinguishing features of a navigational light on a lighthouse etc by which it can be identified (colour, pattern of flashes etc.).

For a given field or ring, a natural number that is either the smallest positive number n such that n instances of the multiplicative identity (1) summed together yield the additive identity (0) or, if no such number exists, the number 0.

Source: wiktionary.org

See also