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ratio

Syllabification: (ra·tio)
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Definition of ratio

noun (plural ratios)

  • the 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
  • the relative value of silver and gold in a bimetallic system of currency.

Origin:

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

Make the plural of ratio in the usual way, by adding -s: (ratios).

ratio in other Oxford dictionaries

Definition of ratio in the British & World English dictionary