What is the meaning of Separable?

Able to be separated.

Able to be brought to a form where all occurrences of the dependent and the independent variable are on opposite sides of the equal sign.

Having a countable dense subset.

Any of several technical senses relating to the behavior of polynomials or objects over which polynomials can be defined:

  1. Having no repeated roots (where roots are considered in an algebraic closure)

    Having no repeated roots (where roots are considered in an algebraic closure)

    Such that none of the irreducible factors of have a repeated root.

    Such that the minimal polynomial of every element of is a separable polynomial.

    Satisfying any of several technical conditions on the center of the algebra which generalize the situation of field extensions; see Separable algebra on Wikipedia.Wikipedia

    separable

    separable

    separable, detachable

    Source: wiktionary.org