per centum (noun)

1. During the Great Depression, the unemployment rate reached a staggering 25 per centum.

2. In Greek mythology, Persephone spends six months of the year in the underworld, representing fifty per centum of the year.

3. The couple decided to split their expenses equally, paying fifty per centum each.

4. In the cartoon episode, the villain's power was reduced by fifty per centum, making him less formidable.