quaternary

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See also: Quaternary

English[edit]

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Etymology[edit]

From the Latin quaternārius(containing or consisting of four), from quaternī(four each”, “four at a time) + -ārius (whence the English suffix -ary); compare the French quaternaire.

Pronunciation[edit]

  • (UK) IPA(key): /kwəˈtɜːnəri/; (rare) IPA(key): /ˈkwɔːtən(ə)ri/
  • (US) IPA(key): /ˈkwɑːtɚˌnɛəri/

Adjective[edit]

quaternary ‎(not comparable)

  1. Of fourth rank or order.
    the quaternary stress in a pronounced word
  2. Of a mathematical expression containing e.g. x4.

Usage notes[edit]

The etymologically correct fourth ordinal from Latin (following tertiary) is quartary, but quaternary (from the distributive number instead) is common, particularly in biology.

Related terms[edit]

Translations[edit]

See also[edit]

Noun[edit]

quaternary ‎(plural quaternaries)

  1. (chemistry) A quaternary compound.