unbendingportion

noun
UK /ʌnˈbɛndɪŋ ˈpɔːʃən/
US /ʌnˈbɛndɪŋ ˈpɔːrʃən/

A part that will not bend.

The unbendingportion of the ruler stayed straight while the rest curved.


OTHER MEANINGS

2. A share or amount that cannot be changed.

The unbendingportion of the budget was set aside for rent.

3. A strict, unyielding part of a rule or plan.

The unbendingportion of the schedule left no room for delays.

4. A fixed piece of a material that resists bending.

The unbendingportion of the metal bar held the frame steady.