Definition of ratio in English:


Syllabification: ra·tio
Pronunciation: /ˈrāSHō, ˈrāSHēˌō

noun (plural ratios)

  • 1The quantitative relation between two amounts showing the number of times one value contains or is contained within the other: the ratio of men’s jobs to women’s is 8 to 1
    More example sentences
    • We have reported all standardised mortality ratios as ratios rather than percentages.
    • Aspect ratio is the ratio between the width of the tire and the height of its side wall.
    • It is easier to see what is happening if we plot the ratios on a graph.
    proportion, comparative number, correlation, relationship, correspondence; percentage, fraction, quotient
  • 1.1The relative value of silver and gold in a bimetallic system of currency.


mid 17th century: from Latin, literally 'reckoning', from rat- 'reckoned', from the verb reri.

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Word of the day skosh
Pronunciation: skəʊʃ
a small amount; a little