pole (EN)

名詞、動詞

名詞 “pole”

1. 棒（建築や支持用の長く細い金属や木材）
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   The newly installed wooden poles along the trail provided hikers with support during steep climbs.
2. 棒高跳びの棒（ガラス繊維やカーボンファイバー製の）
   The athlete gripped her fiberglass pole tightly as she sprinted towards the vaulting box.
3. 極（地球の軸の両端など、回転する物体の極端な点）
   The Arctic and Antarctic regions are located at the Earth's poles, where temperatures are extremely cold due to the lack of direct sunlight.
4. 磁極（磁石の引き合う二つの対立する点）
   When you cut a magnet in half, you get two new pieces, each with its own north and south poles.
5. 極点（幾何学において、他の点や線に対して固定された特定の点）
   In the construction of the sundial, the gnomon acts as the pole from which the shadow's position is measured throughout the day.
6. 極（電気機器において、電流が入るか出るかする点）
   When installing the battery, ensure the red wire is connected to the positive pole and the black wire to the negative pole.
7. 極（複素解析において、複素関数が無限大になる値）
   In complex analysis, the function f(z) = 1/(z^2 + 1) has poles at z = i and z = -i, where the function approaches infinity.

動詞 “pole”

1. 棒で押して動かす
   The gondolier poled the boat gently through the Venetian canal.