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Span vs Arc - What's the difference?

span | arc |

In mathematics terms the difference between span and arc

is that span is to generate an entire space by means of linear combinations while arc is a continuous mapping from a real interval (typically [0, 1]) into a space.

As nouns the difference between span and arc

is that span is the space from the thumb to the end of the little finger when extended; nine inches; eighth of a fathom while arc is that part of a circle which a heavenly body appears to pass through as it moves above and below the horizon.

As verbs the difference between span and arc

is that span is to traverse the distance between while arc is to move following a curved path.

As acronyms the difference between span and arc

is that span is suicide Prevention Advocacy Network while ARC is aIDS-related complex.

span

English

Etymology 1

(etyl) spann

Noun

(en noun)
  • The space from the thumb to the end of the little finger when extended; nine inches; eighth of a fathom.
  • Hence, a small space or a brief portion of time.
  • * Alexander Pope
  • Yet not to earth's contracted span / Thy goodness let me bound.
  • * Farquhar
  • Life's but a span ; I'll every inch enjoy.
  • * 2007 . Zerzan, John. Silence .
  • The unsilent present is a time of evaporating attention spans ,
  • The spread or extent of an arch or between its abutments, or of a beam, girder, truss, roof, bridge, or the like, between supports.
  • The length of a cable, wire, rope, chain between two consecutive supports.
  • (nautical) A rope having its ends made fast so that a purchase can be hooked to the bight; also, a rope made fast in the center so that both ends can be used.
  • (obsolete) A pair of horses or other animals driven together; usually, such a pair of horses when similar in color, form, and action.
  • (mathematics) the space of all linear combinations of something
  • Etymology 2

    Old English spannan

    Verb

    (spann)
  • To traverse the distance between.
  • The suspension bridge spanned the canyon as tenuously as one could imagine.
  • To cover or extend over an area or time period.
  • The parking lot spans three acres.
    The novel spans three centuries.
    World record! 5 GHz WiFi connection spans 189 miles. [http://www.engadget.com/2007/08/27/world-record-5ghz-wifi-connection-spans-189-miles/]
  • * Prescott
  • The rivers were spanned by arches of solid masonry.
  • To measure by the span of the hand with the fingers extended, or with the fingers encompassing the object.
  • to span''' a space or distance; to '''span a cylinder
  • * Bible, Isa. xiviii. 13
  • My right hand hath spanned the heavens.
  • (mathematics) to generate an entire space by means of linear combinations
  • (intransitive, US, dated) To be matched, as horses.
  • To fetter, as a horse; to hobble.
  • Etymology 3

    Verb

    (head)
  • (archaic, nonstandard) (spin)
  • *
  • * '>citation
  • *:a giant pick-up truck span out of control during a stunt show in a Dutch town, killing three people
  • 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

    * * * ----