# Yahoo奇摩字典 網頁搜尋

## 搜尋結果

### arc

• IPA[ɑːk]

英式

• a part of a curve, especially a part of the circumference of a circle；a shape or structure resembling an arc
• move with a curving trajectory；form an electric arc

• 釋義
• 相關詞

### 名詞

• 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
• a shape or structure resembling an arc the huge arc of the sky
• a curving trajectory he swung his torch 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 film) the development or resolution of the narrative or principal theme his transformation provides the emotional arc of the story

### 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

### back-arc

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

### arc furnace

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

### arc light

• a light source using an electric arc.

### arc cosine

• a mathematical function that is the inverse of the cosine function.

### arc tangent

• a mathematical function that is the inverse of the tangent function.

### island arc

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

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• 更多解釋

### arc

• IPA[ärk]

美式

• a part of the circumference of a circle or other curve: the point where a tangential line touches the arc of a circle
• move with a curving trajectory: the ball arced across the room

### ARC

• IPA[ärk]

美式

• AIDS-related complex.

### ARC

• IPA[ɑːk]

英式

• (in the UK) Agricultural Research Council.