ratio is on the Academic Word List.

Pronunciation change

  • (US) IPA (key): /ˈreɪ.ʃoʊ/ or /ˈreɪ.ʃiˌoʊ/
  • (UK) IPA (key): /ˈreɪ.ʃi.əʊ/ or /ˈreɪ.ʃəʊ/
  • (file)

Noun change

Singular
ratio

Plural
ratios

  1. A ratio is the comparison in size or number between two things. It is written   and read   to  . It is the same as the fraction  .
    The ratio of men's jobs to women's is 8 to 1.
    But Germany now has one of the highest ratios of spending to GDP in the European Community.
    The low student/teacher ratio makes this a great school.

Synonyms change