We found 3 dictionaries that define the word M33:

Science (2 matching dictionaries)

1. M33: Extragalactic Astronomy
2. M33: Cytokines & Cells Online Pathfinder Encyclopaedia

Slang (1 matching dictionary)

3. M33: Urban Dictionary

Phrases: HMS M33, M33 X-7, more... ▸ Words similar to M33 ▸ Usage examples for M33 ▸ Idioms related to M33 ▸ Wikipedia articles (New!) ▸ Words that often appear near M33 ▸ Rhymes of M33 ▸ Invented words related to M33