rate
The proportional relationship between one amount, value etc. and another.
Example
“At the height of his powers, he was producing pictures at the rate of four a year.”
Other meanings
The relative speed of change or progress.
“The rate of production at the factory is skyrocketing.”
The price of (an individual) thing; cost.
“He asked quite a rate to take me to the airport.”
Example sentences
Word history
From Medieval Latin "rata".
Where this comes from
This definition is adapted from “rate” on Wiktionary, by its contributors; example sentences are from Tatoeba, credited to their authors above, published under CC BY-SA 4.0. This page is published under the same licence.