We found 2 dictionaries that define the word online communities:

General (1 matching dictionary)

1. Online communities: Wikipedia, the Free Encyclopedia

Computing (1 matching dictionary)

2. Online communities: Encyclopedia

Phrases: Semantically-Interlinked Online Communities, more... ▸ Words similar to online communities ▸ Usage examples for online communities ▸ Idioms related to online communities ▸ Wikipedia articles (New!) ▸ Words that often appear near online communities ▸ Rhymes of online communities ▸ Invented words related to online communities