fixedpart

noun
UK /fɪkst pɑːt/
US /fɪkst pɑːrt/

A fixed part is a piece that stays in one place and does not move.

The wheel is a fixed part of the toy car and cannot be taken off.


OTHER MEANINGS

2. A part of a machine that is attached firmly and does not turn or slide.

The base is a fixed part, while the handle can spin around.

3. A section of a plan or system that cannot be changed.

The start date is a fixed part of the schedule.

4. In math, a number or value that stays the same in an equation.

In the formula, 5 is a fixed part that never changes.