ac   (TTS Sound)

The ac has 2 Senses.

• atomic number 89, ac, actinium
• アクチニウム
• a radioactive element of the actinide series; found in uranium ores
• アクチニド系列の放射性元素

• ac, alternating current, alternating electric current
• 交流
• an electric current that reverses direction sinusoidally; "In the US most household current is AC at 60 cycles per second"
• 正弦的に方向が逆になる電流