bn:00029095n
Noun Concept
Categories: Aerial bombs
EN
dumb bomb  gravity bomb  iron bomb  unguided bomb  Bomb retarder
EN
A bomb that falls because of gravity and is not guided to a target WordNet 3.0
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EN
A bomb that falls because of gravity and is not guided to a target WordNet 3.0 & Open English WordNet
An unguided bomb, also known as a free-fall bomb, gravity bomb, dumb bomb, or iron bomb, is an aircraft-dropped bomb that does not contain a guidance system and hence simply follows a ballistic trajectory. Wikipedia
A dumb bomb, a type of gravity bomb, an unguided bomb dropped from an aircraft. Wiktionary