conducted, or existing between two or more stars
WordReference Random House Learner's Dictionary of American English © 2025
in•ter•stel•lar /ˌɪntɚˈstɛlɚ/USA pronunciation
adj.
WordReference Random House Unabridged Dictionary of American English © 2025- Astronomylocated or occurring between stars:interstellar dust.
in•ter•stel•lar
(in′tər stel′ər),USA pronunciation adj.
- Astronomysituated or occurring between the stars:interstellar dust.
- inter- + stellar 1620–30
Collins Concise English Dictionary © HarperCollins Publishers::
'interstellar' also found in these entries (note: many are not synonyms or translations):