Arc vs Subtend - What's the difference?

arc | subtend |


As verbs the difference between arc and subtend

is that arc is to move following a curved path while subtend is to extend or stretch underneath or opposite something.

As a noun arc

is (astronomy) that part of a circle which a heavenly body appears to pass through as it moves above and below the horizon.

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

    * * * ----

    subtend

    English

    Verb

    (en verb)
  • To extend or stretch underneath or opposite something
  • *2012 , Me, myself, us ,The Economist, 16th august 2012 issue
  • *:...trillions of bacteria, each equally an individual, which are found in a person’s gut, his mouth, his scalp, his skin and all of the crevices and orifices that subtend from his body’s surface.
  • (mathematics) To enclose an arc on a circle with an angle
  • A 43° angle subtends an arc about ¾ meter long on a circle with a radius of 1 meter.