We found one dictionary that defines the word zero groups:

General (1 matching dictionary)

1. zero groups: Merriam-Webster

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