We found 2 dictionaries that define the word r colouring:

General (1 matching dictionary)

1. r-colouring, r-colouring: Collins English Dictionary

Art (1 matching dictionary)

2. R-colouring: Lexicon of Linguistics

▸ Words similar to r colouring ▸ Usage examples for r colouring ▸ Idioms related to r colouring ▸ Wikipedia articles (New!) ▸ Words that often appear near r colouring ▸ Rhymes of r colouring ▸ Invented words related to r colouring