We found 2 dictionaries that define the word out-gassing:

General (1 matching dictionary)

1. out-gassing: Wiktionary

Science (1 matching dictionary)

2. Out-Gassing: Extragalactic Astronomy

Definitions from Wiktionary (Out-gassing) ▸ verb:  Alternative form of outgassing ▸ Words similar to out-gassing ▸ Usage examples for out-gassing ▸ Idioms related to out-gassing ▸ Wikipedia articles (New!) ▸ Words that often appear near out-gassing ▸ Rhymes of out-gassing ▸ Invented words related to out-gassing