English Explanatory Dictionary

eighth

English dictionary entry

Meanings

adj
  1. The ordinal form of the number eight.
noun
  1. The person or thing in the eighth position.
  2. One of eight equal parts of a whole.
  3. An eighth of an ounce, or approximately 3.5 grams, of marijuana or other drugs.
  4. An interval by doubling in pitch frequency.
verb
  1. To divide by eight.

Pronunciation

ātth /eɪtθ/ āth /eɪθ/ en-us-eighth.ogg /ɛj(ʈ)t̪ʰ/ /e(ʈ)t̪ʰ/

Word forms

eighth eight eightth eighths eighthing eighthed

Etymology

Etymology tree Proto-Indo-European *oḱtṓw Proto-Indo-European *oḱtowós Proto-Germanic *ahtudô Proto-West Germanic *ahtudō Old English eahtoþa Middle English eightethe English eighth Inherited from Middle English eightethe, from Old English eahtoþa, from Proto-Germanic *ahtudô; equivalent to eight + -th (ordinal suffix).

Synonyms

8th VIIIth VIII eighth one ⅛ half-quarter henry ⅛ oz octave

Related words

octave

Derived words

Admiral's eighth eighth cranial nerve eighth final eighth grade eighth grader eighthly eighthman eighth man eighth-man eighth nerve eighth note eighth pole eighth rest eighth wonder of the world five eighth one eighth second five-eighth
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