arc; curved segment
Used for an arc-shaped curve, especially in technical, design, graphics, or geometry-related contexts.
The ball traced a beautiful arc through the air.
I drew an arc with a radius of five centimeters in CAD.
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
A strong electric arc occurred during welding.
In arc welding, you need to be careful of the intense light.
An electric arc was generated due to a poor connection.
arc light
arc furnace
arc cutting
arc discharge
arc welding
Only the katakana form. It is used as a foreign-style technical term; the exact borrowing source is not specified.