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1. Oxford American Dictionary

   arc

   • IPA[ärk]

   美式

   • n.
     a part of the circumference of a circle or other curve；a curved shape, or something shaped like a curve
   • v.
     move with a curving trajectory；form an electric arc

   • verb: arc, 3rd person present: arcs, gerund or present participle: arcing, past tense: arced, past participle: arced

   • noun: arc, plural noun: arcs

2. • 釋義
   • 相關詞

   n.

   名詞

   • 1. a part of the circumference of a circle or other curve the point where a tangential line touches the arc of a circle
   • ▪ a curved shape, or something shaped like a curve the huge arc of the sky
   • ▪ a curving trajectory he swung his flashlight in a wide arc
   • ▪ indicating the inverse of a trigonometrical function.
   • 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
   • 3. (in a novel, play, or movie) the development or resolution of the narrative or principal theme his transformation provides the emotional arc of the story

   v.

   動詞

   • 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 I have no idea whether they touched the power lines or arced

   arc furnace

   • n.
     a furnace that uses an electric arc as a heat source, especially for steelmaking.

   Oxford American Dictionary

   island arc

   • n.
     a curved chain of volcanic islands located at a tectonic plate margin, typically with a deep ...

   Oxford American Dictionary

   island arc

   • n.
     a curved chain of volcanic islands located at a tectonic plate margin, typically with a deep ...

   Oxford Dictionary

   reflex arc

   • n.
     the nerve pathway involved in a reflex action, including at its simplest a sensory nerve and a ...

   Oxford American Dictionary

   back-arc

   • adj.
     relating to or denoting the area behind an island arc: back-arc basin

   Oxford Dictionary

   arc welding

   • n.
     a technique in which metals are welded using the heat generated by an electric arc.

   Oxford American Dictionary

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3. • 更多解釋

   arc

   • IPA[ɑːk]

   英式

   • n.
     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
   • v.
     move with a curving trajectory: the ball arced across the room

   Oxford Dictionary

   ARC

   • IPA[ɑːk]

   英式

   • abbr
     (in the UK) Agricultural Research Council.

   Oxford Dictionary

   ARC

   • IPA[ärk]

   美式

   • abbr
     AIDS-related complex.

   Oxford American Dictionary