circuitry
n. uncountable C1 Advanced US //ˈsɝkətɹi// UK //sˈɜːkɪtɹi// cir·cuit·ry
n. the system of paths that electricity flows through inside a machine or device. It is like the network of wires and parts that makes your phone or computer work.
n. a system of electric circuits or the arrangement of components within an electronic device. Refers to the physical layout and interconnected paths that facilitate electrical signals.
The water damaged the phone's internal circuitry.
Engineers are working to shrink the circuitry so the new laptop can be even thinner.
The failure was traced back to a microscopic flaw in the motherboard's circuitry, which caused an intermittent short circuit during high-voltage operations.
From circuit + -ry.