The relationship between two measurements of different units; As an example, rate can be exemplified by the change in distance with respect to time (miles per hour).

The famous author was producing new novels at the rate of three a year.

In engineering, a unit of electrical signaling speed equal to one pulse per second, measuring the rate at which signals are sent between electronic devices, such as telegraphs and computers:

For example, 300 bauds) are about 300 words a minute or a unit of speed in data transmission of a computer equal to one bit per second, or a unit of transmission speed for electronic signals, corresponding to one information unit or event per second.

Named after Jean Maurice Emile Baudot (1845-1903), a French engineer.

The number of live births per 1,000 population in a given year; birthrate: The birth rate in a country might rise if the production of food is improved and public health care is provided everywhere.