We found 2 dictionaries that define the word intergalactic spaces:

General (2 matching dictionaries)

1. intergalactic spaces: Collins English Dictionary
2. intergalactic spaces: Vocabulary.com

(Note: See intergalactic_space as well.)

Definitions from WordNet (intergalactic space) ▸ noun:  the space between galaxies ("The Milky Way travels through intergalactic space") ▸ Also see intergalactic_space ▸ Words similar to intergalactic spaces ▸ Usage examples for intergalactic spaces ▸ Idioms related to intergalactic spaces ▸ Wikipedia articles (New!) ▸ Words that often appear near intergalactic spaces ▸ Rhymes of intergalactic spaces ▸ Invented words related to intergalactic spaces