We found 2 dictionaries that define the word extraatmospheric:

General (2 matching dictionaries)

1. extraatmospheric: Dictionary.com
2. extraatmospheric: Wiktionary

Definitions from Wiktionary (extraatmospheric) ▸ adjective:  Outside of the atmosphere of Earth ▸ Words similar to extraatmospheric ▸ Usage examples for extraatmospheric ▸ Idioms related to extraatmospheric ▸ Wikipedia articles (New!) ▸ Popular nouns described by extraatmospheric ▸ Words that often appear near extraatmospheric ▸ Rhymes of extraatmospheric ▸ Invented words related to extraatmospheric