This is the 10274th most frequent Polish word.
centymetrów
"Centymetrów" means "centimeters" (genitive plural form in Polish).
In this sentence, "centymetrów" refers to a measurement of length in a general context.
Mam sto centymetrów wstążki.
I have one hundred centimeters of ribbon.
Here, "centymetrów" is used in the context of volume measurement.
Skrzynia ma pojemność sześć centymetrów sześciennych.
The box has a capacity of six cubic centimeters.
In this case, "centymetrów" is used metaphorically to indicate a small additional amount of room.