rationoun [ C ]uk /ˈreɪ.ʃi.əʊ/ us /ˈreɪ.ʃi.oʊ/ plural ratios
The ratio of men to women at the conference was ten to one/10:1.
- Compute the ratio of the object's height to its weight.
- What is the car's power to weight ratio?
- The staff to student ratio has increased dramatically in the last five years.
- The efficiency of a machine is the ratio between the energy it supplies and the energy put into it.
- Pi is the ratio of a circle's circumference to its diameter.