アーク

noun

arc; curved segment

Used for an arc-shaped curve, especially in technical, design, graphics, or geometry-related contexts.

• CADで半はん径けい五ごセンチのアークを描えがいた。

  I drew an arc with a radius of five centimeters in CAD.

noun

electric arc

Electrical or welding use; equivalent in meaning to 電弧, but アーク is common in technical terms such as アーク溶接.

See also: 電弧

• 溶よう接せつ中ちゅうに強つよいアークが発はっ生せいした。

  A strong electric arc occurred during welding.

• アーク溶よう接せつでは強つよい光ひかりに注ちゅう意いが必ひつ要ようだ。

  In arc welding, you need to be careful of the intense light.