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Arc vs Octant - What's the difference?

arc | octant |

As nouns the difference between arc and octant

is that arc is (astronomy) that part of a circle which a heavenly body appears to pass through as it moves above and below the horizon while octant is the eighth part of a circle; an arc of 45 degrees.

As a verb arc

is to move following a curved path.

arc

English

(wikipedia arc)

Noun

(en noun)
  • (astronomy) That part of a circle which a heavenly body appears to pass through as it moves above and below the horizon.
  • (geometry) A continuous part of the circumference of a circle (circular arc) or of an other curve.
  • A curve, in general.
  • A band contained within parallel curves, or something of that shape.
  • (electrics) A flow of current across an insulating medium; especially a hot, luminous discharge between either two electrodes or as lightning.
  • A story arc.
  • (mathematics) A continuous mapping from a real interval (typically [0, 1]) into a space.
  • (graph theory) A directed edge.
  • Synonyms

    * (curve) curve, swoop * (circular arc) circular arc, circle segment * (directed edge) arrow, directed edge

    Verb

  • To move following a curved path.
  • * {{quote-news, year=2011
  • , date=February 4 , author=Gareth Roberts , title=Wales 19-26 England , work=BBC citation , page= , passage=Gatland's side got back to within striking distance when fly-half Jones's clever pass sent centre Jonathan Davies arcing round Shontayne Hape.}}
  • To form an electrical arc.
  • Anagrams

    * * * ----

    octant

    English

    Noun

    (en noun) (wikipedia octant)
  • The eighth part of a circle; an arc of 45 degrees.
  • (geometry): The eighth part of a disc; a sector of 45 degrees; half a quadrant.
  • (nautical): An instrument for measuring angles, particularly of elevation.
  • See also

    * quadrant * sextant ----