Definiciones
1.AdjectiveBeing a distinguishing feature of a person or thing.
2.NounA distinguishing feature of a person or thing, a part of mental or physical behavior.
3.NounThe integer part of a logarithm.
4.NounThe distinguishing features of a navigational light on a lighthouse etc by which it can be identified (colour, pattern of flashes etc.).
5.NounFor 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."The characteristic of a field, if non-zero, must be a prime number."