We found 2 dictionaries that define the word decolouring:

General (2 matching dictionaries)

1. decolouring: Collins English Dictionary
2. decolouring: Wiktionary

(Note: See decolour as well.)

Definitions from Wiktionary (decolour) ▸ verb:  (transitive) To deprive of colour; to bleach. ▸ Also see decolour ▸ Words similar to decolouring ▸ Usage examples for decolouring ▸ Idioms related to decolouring ▸ Wikipedia articles (New!) ▸ Words that often appear near decolouring ▸ Rhymes of decolouring ▸ Invented words related to decolouring