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Circuitry

//ˈsɜːkɪtɹi// noun

Noun

1
A specific system of electrical circuits in a particular device; (uncountable) the design of such a system. countable
"Telemetering transmitter removed from its pressurized container. The circuitry for each of the 23 channels can be quickly unplugged for servicing."
2
electronic equipment consisting of a system of circuits wordnet
3
Electrical (or, by extension, other) circuits considered as a group. uncountable
"In the microelectronics area, research and development efforts will concentrate on thin film circuitry, packaging and solid state electronics (work with transistors and the like). [...] The savings in weight over old-fashioned circuitry are important when the cost of items in orbit is figured at $1,000 per pound."
4
The brain's neural network. figuratively, uncountable
"Since [Santiago Ramón y] Cajal's neural circuitry did not include inhibitory cells, he believed that short-axoned cells were important in maintaining a continuous and persistent activity in neural centers."

From circuit + -ry.

Unscramble this word: circuitry