Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “eighth”

eighth

noun [C]     /eɪtθ/
one of eight equal parts of something: An eighth of 32 is 4.Fractions
(Definition of eighth noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of eighth

Definitions of “eighth” in other dictionaries

Word of the Day

workmanship

the skill with which something was made or done

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More