What does 回路 mean?
回路 is a Japanese noun meaning “circuit (electric)” in English. It can also be translated as “cycle (e.g. Krebs cycle), cycle” depending on context. It is written as 回路 in kanji, かいろ in hiragana, and kairo in romaji. This word is part of JLPT N1 vocabulary.
Example sentence
保護回路を飛ばしてしまおう。
Let's bypass the protection circuit.