from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Any of the quantiles which divide an ordered sample population into eight equally numerous subsets.
  • n. A subset thus obtained.

from the GNU version of the Collaborative International Dictionary of English

  • n. Same as octant, 2.

from The Century Dictionary and Cyclopedia

  • n. In statistics, a group containing one eighth of the total number of observations or of observed objects arranged upon a curve of frequency: usually marked off, as upper and lower octiles, to right and left of the abscissal points which bound the upper and lower quartiles.
  • Said of the aspect of two planets distant 45° from one another.
  • n. In astronomy, same as octant, 2.


Sorry, no etymologies found.


  • Analysis of returns from 100 persons mostly of some eminence; extracts from replies of those in whom the visualising faculty is highest; those in whom it is mediocre; lowest; conformity between these and other sets of haphazard returns; octile, median, etc., values; visualisation of colour; some liability to exaggeration; blindfold chess-players; remarkable instances of visualisation; the faculty is not necessarily connected with keen sight or tendency to dream; comprehensive imagery; the faculty in different sexes and ages; is strongly hereditary; seems notable among the French; Bushmen; Eskimo; prehistoric men; admits of being educated; imagery usually fails in flexibility; special and generic images (see also Appendix); use of the faculty.

    Inquiries into Human Faculty and Its Development


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  • Variant of octant.

    October 14, 2008