Englishfor English speakers
Ac
—
noun
(= actinium)
a radioactive element of the actinide series; found in uranium ores
AC
—
noun
an electric current that reverses direction sinusoidally
In the US most household current is AC at 60 cycles per second
circuit
Noun
—
A circuit is a loop that normally starts and finishes in the same place.
They ran a circuit around the park.
—
A circuit is a closed route where electricity flows.
The electric circuit can hold 20 amperes.
breaker
Noun
—
A breaker is something that breaks.
—
A breaker is a machine breaking rocks.