English Explanatory Dictionary

octant

English dictionary entry

Meanings

noun
  1. The eighth part of a circle; an arc of 45 degrees.
  2. The aspect of two planets that are 45°, or one-eighth of a circle, apart.
  3. The eighth part of a disc; a sector of 45 degrees; half a quadrant.
  4. An instrument for measuring angles, particularly of elevation.

Pronunciation

LL-Q1860 (eng)-Flame, not lame-octant.wav

Word forms

octant octants

Etymology

From Latin octāns. Doublet of Octans.

Synonyms

octile

Related words

quadrant sextant

Derived words

hyperoctant octantal
This entry uses open data from Wiktionary (CC BY-SA/GFDL). Word forms are used for search and are not indexed as separate pages.
Back to search All on O Russian dictionary Dahl dictionary