In mathematics, the ratio of two numbers is the quotient of one by the other.

After a long ratiocination, he finally solved the complex puzzle.

I missed the bus this morning and had to take a taxi to get to work on time.

The rats invaded the attic during the night.

The ratification of the treaty was approved by the parliament.

The daily ration is distributed at dinner time.

The rations for the week are ready.

I often mess up my homework.

The government must ratify the international treaty.

The rationalization of processes has improved the efficiency of the company.