Definitions
1.NounA minor power; Something that has control over a limited domain that falls within the larger domain of a greater power.
2.NounA type of function such that for every exponent a, there is a small integer ε such that for any positive value x less than ε, its image lies between x and x .
3.NounA natural number x, with the property that x = by for some y that is not multiple of b.