The category contains several indecomposables that cannot be further split.

The indecomposability of this module simplifies the classification of its substructures.

The mathematician studied an indecomposable module that could not be expressed as a direct sum of smaller modules.

In the seminar, the professor described an indecomposable as a vector space that cannot be written as a direct sum of two nontrivial subspaces.

The indecomposableness of the molecule's arrangement explained why it resisted all attempts at fragmentation.