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- Dictionaryarc/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"
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ARC definition: 1. the shape of part of a circle, or other curved line: 2. a powerful flow of electricity that…. Learn more.
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.
ARC meaning: 1. the shape of part of a circle, or other curved line: 2. a powerful flow of electricity that…. Learn more.
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.
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.
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)
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.
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]
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.
Definition of arc noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
