plural of periodic month

Synonym of tropical month

plural of probationary period

The state of a woman too poor to be able to afford sanitary products (tampons, sanitary towels and the like) connected to her period.

The period following postclassical history (in Europe known as the "Middle Ages"), spanning from about 1500 to the present.

plural of period drama

plural of periodic acid

(accounting) A system of assessing a business' inventory in which updates are made on a periodic basis, so that a completely accurate account is only available immediately after the update.

Alternative form of periodic comet

Alternative form of menstrual period