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  1. Dictionary
    arc
    /ɑːk/

    noun

    • 1. a part of a curve, especially a part of the circumference of a circle: "the point where a tangential line touches the arc of a circle"
    • 2. a luminous electrical discharge between two electrodes or other points: "modern welding generators are designed so that there is a high voltage for striking the arc"

    verb

    • 1. move with a curving trajectory: "the ball arced across the room"
    • 2. form an electric arc: "the outage was caused by a bad switch that arced"

    More definitions, origin and scrabble points

  2. ARC definition: 1. the shape of part of a circle, or other curved line: 2. a powerful flow of electricity that…. Learn more.

  3. Jun 4, 2015 · : a sustained luminous discharge of electricity across a gap in a circuit or between electrodes. also : arc lamp. 4. : a continuous portion (as of a circle or ellipse) of a curved line. 5. : degree measurement on the circumference of a circleused especially in the phrase of arc.

  4. noun. something curved in shape. part of an unbroken curved line. a luminous discharge that occurs when an electric current flows between two electrodes or any other two surfaces separated by a small gap and a high potential difference.

  5. n. 1. Something shaped like a curve or arch: the vivid arc of a rainbow. 2. Mathematics A segment of a circle. 3. An electric arc. 4. Astronomy The apparent path of a celestial body as it rises above and falls below the horizon. 5.

  6. arc. An arc is a curve. You can describe the bend of a rainbow as an arc. In math, an arc is one section of a circle, but in life you can use the word to mean any curved shape, like the arc of a ballerina's arm or the graceful arc of a flowering vine over a trellis.

  7. ARC meaning: 1 : a line or shape that is curved like part of a circle; 2 : a brightly glowing electric current that flows across an open space between two points (such as two electrodes)

  8. An arc is a smoothly curving line or movement. The Aleutian chain is a long arc of islands in the North Pacific. 2. countable noun. In geometry, an arc is a part of the line that forms the outside of a circle. [technical] 3. verb. If something arcs in a particular direction, it makes a smoothly curving line or movement. [literary]

  9. Also called electric arc. Electricity. a luminous bridge formed in a gap between two electrodes.: Compare spark 1 (def. 2).

  10. noun. arcs. Something shaped like a curve or arch. The vivid arc of a rainbow. American Heritage. The part of a circle that is the apparent path of a heavenly body above and below the horizon. Webster's New World. A bowlike curved line or object. Webster's New World. An electric arc. American Heritage.

  11. In Mathematics, an arc means, a part of a curve or the portion of a circle. The straight line joining the ends of the arc is called the chord of the circle. Arc of a Circle. The arc of a circle is defined as the part or segment of the circumference of a circle.