Meaning ofirreduciblein English

Adjective

1. unable to be lessened; simplified
   The problem is a complex issue that is irreducible to a single cause.
2. cannot be made simpler (in form or structure)
   The complex equation is irreducible and cannot be simplified further.
3. in mathematics; cannot be factored (into lower degree polynomials)
   The polynomial is irreducible over the rational numbers.
4. has no common factors (numerator and denominator)
   The fraction is irreducible because its numerator and denominator have no common factors.
5. unable to be broken down (into smaller parts); prime
   The molecule is an irreducible unit that cannot be broken down into simpler components.