We found 7 dictionaries that define the word back-blast:

General (6 matching dictionaries)

1. back-blast: Vocabulary.com
2. back-blast: Dictionary.com
3. back-blast: Rhymezone
4. back-blast: FreeDictionary.org
5. back-blast: Mnemonic Dictionary
6. back-blast: TheFreeDictionary.com

Tech (1 matching dictionary)

7. Explosives (No longer online)

Definitions from WordNet (back-blast) ▸ noun:  backfire from a recoilless weapon ▸ Words similar to back-blast ▸ Usage examples for back-blast ▸ Idioms related to back-blast ▸ Wikipedia articles (New!) ▸ Popular adjectives describing back-blast ▸ Words that often appear near back-blast ▸ Rhymes of back-blast ▸ Invented words related to back-blast