A distinguishing feature of a person or thing.
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.
The integer part of a logarithm.
The distinguishing features of a navigational light on a lighthouse etc by which it can be identified (colour, pattern of flashes etc.).
Being a distinguishing feature of a person or thing.
Specifically, a feature that causes someone or something to stand out as being better; a mark of honour, rank, eminence or excellence; being distinguished.
That which distinguishes; a single occurrence of a determining factor or feature, the fact of being divided; separation, discrimination.
The act of distinguishing, discriminating; discrimination.