irreducible

Meanings

1. 1
   adj

   incapable of being made smaller or simpler

   An irreducible minimum.

2. 2
   adj

   Not able to be reduced or lessened.

   With each reduction in the number of railways, there must come, eventually, a decline in interest, if only through reduction in variety; and when it comes to one nationalised railway only we have reached the irreducible minimum.

3. 3
   adj

   Not able to be brought to a simpler or reduced form.

4. 4
   adj

   Unable to be factorized into polynomials of lower degree, as (x² + 1).

From ir- + reducible.

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