What does 口調 mean?
口調 is a Japanese noun meaning “tone (of voice); manner of talking” in English. It is written as 口調 in kanji, くちょう in hiragana, and kuchou in romaji. This word is part of JLPT N3 vocabulary.
Example sentence
彼は断固たる口調で「だめだ」と言った。
"No", he said in a decided tone.