We found one dictionary that defines the word sub collections:

General (1 matching dictionary)

1. sub-collections: Merriam-Webster

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