Arcs Defined

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arcs [ahrks]

noun, plural of arc


[Middle English ark, from Old French arc, from Latin arcus.]

  1. anything bow-shaped. a curve. something arched or curved. a curved path. a continuous progression or line of development.
  2. Architecture.
    • another term for arch, a bowed or curved structure capable of spanning a space while supporting significant weight (e.g. a doorway in a stone wall), or a free-standing structure, such as a triumphal arch.
  3. Astronomy.
    • the part of a circle representing the apparent path described above and below the horizon by a celestial heavenly body.
  4. Computing.
    • a connection between two network nodes.
    • an edge in a tree (a tree is a data structure in computer programs).
  5. Electricity & Engineering.
    • a luminous bridge formed in a gap between two electrodes.
    • an electrical conduction through a gas in an applied electric field.
    • arc lamp, a device that produces light by an electric arc.
    • electric arc or voltaic arc, an ongoing plasma discharge (an electric current through a gas), producing light and heat.
  6. Geology.
    • volcanic arc or island arc, a chain of volcanic mountains or islands formed by plate tectonics.
  7. Geometry.
    • any unbroken part of the circumference of a circle or other curved line; a continuous portion of a circle.
    • a degree measurement on the circumference of a circle.
    • a segment of a differentiable curve.
    • in projective geometry, a particular type of set of points of a projective plane.
  8. Graph Theory.
    • a directed edge of a graph.
  9. Internet.
    • A crosslink between two websites.
  10. Literature.
    • story arc, an extended or continuing storyline.
  11. Methematics.
    • a segment of a circle.
    • a degree measurement on the circumference of a circle.
    • a continuous mapping from the real interval.
    • an ordered string of vertices (x,y coordinate pairs) that begin at one location and end at another. connecting the arc's vertices creates a line. the vertices at each endpoint of an arc are called nodes.
  12. Transportation Systems.
    • in a multimodal network, a travel arc is a connection of two nodes in the same mode, while a transfer arc is a representation of transfer between two nodes in different modes.