English Reference
Noun

circuitry

n. uncountable
C1 Advanced US /ˈsɝkətɹi/ UK /sˈɜːkɪtɹi/ cir·cuit·ry UK spelling circuitries

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.


SIMPLE

The water damaged the phone's internal circuitry.

CONTEXTUAL

Engineers are working to shrink the circuitry so the new laptop can be even thinner.

COMPLEX

The failure was traced back to a microscopic flaw in the motherboard's circuitry, which caused an intermittent short circuit during high-voltage operations.

Purging those bonds requires hours of annealing at up to 1,200 degrees Celsius—a temperature no chip carrying electronic circuitry could survive and one that builds crippling stress into thick films.

Phys.org· 24 Aug 2026

The researchers hypothesized that routinely building cognitive maps exercises the very circuitry that Alzheimer’s attacks first.

The Conversation· 6 Aug 2026

From circuit + -ry.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Level C1 · Advanced
Frequency Occasional
Updated