四色問題
Meanings
Noun
1. four-color problem; four-color map problem
Other readings
Kanji used
Composed of
色
counter for colours; color; colour; colouring; (outward) appearance; look; air; manner; (facial) expression; face; …
Counter
問題
question (e.g. on a test); problem; problem (e.g. societal, political); question; issue; subject (e.g. of research); case; matter; question (i.e. doubt); public discussion; …
Noun