We found 5 dictionaries that define the word four-color problem:

General (3 matching dictionaries)

1. four-color problem: Infoplease Dictionary
2. four-color problem: Dictionary.com
3. Four-color problem: Wikipedia, the Free Encyclopedia

Computing (1 matching dictionary)

4. four-color problem: Encyclopedia

Science (1 matching dictionary)

5. Four-Color Problem: Eric Weisstein's World of Mathematics

▸ Words similar to four-color problem ▸ Usage examples for four-color problem ▸ Idioms related to four-color problem ▸ Wikipedia articles (New!) ▸ Words that often appear near four-color problem ▸ Rhymes of four-color problem ▸ Invented words related to four-color problem