Adjective eighth has 1 sense
  1. eighth, 8th - coming next after the seventh and just before the ninth in position
    Antonym: cardinal (indirect, via ordinal)
,Noun eighth has 2 senses
  1. eighth - position eight in a countable series of things
    --1 is a kind of
    rank
  2. one-eighth, eighth - an eighth part
    --2 is a kind of common fraction, simple fraction
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