Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “ratio”

See all translations

ratio

noun [C]  /ˈreɪ·ʃIˌoʊ/ ( plural ratios) us  
mathematics a comparison of two numbers calculated by dividing Ratio is also a relationship between two groups or amounts that expresses how much bigger one is than the other: a low student-teacher ratio The ratio of men to women at the conference was ten to one.
Translations of “ratio”
in Spanish proporción…
in French proportion…
in German das Verhältnis…
in Chinese (Traditional) 比, 比例, 比率…
in Russian соотношение…
in Turkish oran, nispet…
in Chinese (Simplified) 比, 比例, 比率…
in Polish stosunek, proporcja…
(Definition of ratio from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of ratio?
Add Cambridge dictionaries to your browser to your website

Definitions of “ratio” in other dictionaries

Word of the Day

piglet

a baby pig

Word of the Day

The way we move (Verbs for walking and running)

by Kate Woodford,
March 25, 2015
​​​ This week we’re looking at interesting ways to describe the way that people move. Most of the verbs that we’ll be considering describe how fast or slow people move. Others describe the attitude or state of mind of the person walking or running. Some describe both. Starting with verbs for walking slowly,

Read More 

stackin’ p

March 30, 2015
idiom slang earning a lot of money ‘That’s a very generous present.”Yeah, well, she’s stackin’ p, innit?’

Read More