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Allin

eighth

adjectivenounverbcommon in dialogue

  • United Kingdom//eɪtθ//
  • United States//eɪtθ//
  • United States//eɪθ//
  • //ɛj(ʈ)t̪ʰ//
  • //e(ʈ)t̪ʰ//

The ordinal form of the number eight.

adjective

  1. 1

    The ordinal form of the number eight.

    Consequently, in the initial position the white pieces and pawns are placed on the first and second ranks; the black pieces and pawns on the eighth and seventh ranks.

    In 2023, the birthrate fell for the eighth consecutive year to 0.72, the lowest in the world, from 1.24 in 2015, raising concerns over the economic shock to society from such a rapid pace.

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).

noun

  1. 1

    The person or thing in the eighth position.

  2. 2

    One of eight equal parts of a whole.

    Two bits equals two eighths of a dollar.

    Scientists from the University of Pennsylvania have determined that the young skull is only an eighth as strong as an adult one.

  3. 3

    slangAn eighth of an ounce, or approximately 3.5 grams, of marijuana or other drugs.

    At midday he’d found an ageing eighth of hash in a drawer, a little bundle of cellophane.

  4. 4

    An interval by doubling in pitch frequency.

verb

  1. 1

    To divide by eight.

    The first step is to eighth the script out. See figure 3.6 overleaf. Eighthing a script is subjective.

Forms

plural
eighths
past tense
eighthed
past participle
eighthed
present participle
eighthing
third person singular
eighths
The neighbouring pagesAlphabetical order follows the rules of the language, not byte values: an accent decides only between two otherwise identical words, and Spanish files Ñ as a letter of its own.

Lexical content from Wiktionary, under CC BY-SA 4.0 · Source entry · Data version 2026-08-23

Rank among the words of the OpenSubtitles 2018 corpus — film and television subtitles, so spoken rather than written usage (CC BY-SA 3.0).