of a

Significat (anglès)

on every; in the (followed by a noun indicating a certain time)

Sents

The definition of a black cow varies by region .

For computer use , the following formulas for the doomsday of a year are convenient .

A classic example of a one-way function is multiplication of very large prime numbers .

It didn't help that back then the empire was in the midst of a succession conflict .

The contruction of a new theme park is immediately halted for an unknown reason .

I'm never more aware of a room's acoustics than when I'm trying to enjoy a snack I have no intention of sharing .