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English definition of “eighth”

eighth

ordinal number uk   /eɪtθ/ us  
A2 8th written as a word: He was/came eighth in the race. Bob's birthday is on the eighth (of June).Ordinal numbers

eighth

noun [C] uk   /eɪtθ/ us  
one of eight equal parts of something: An eighth of 32 is 4.Fractions
(Definition of eighth from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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