Synonym: bomb calorimeter, bombard, dud, fail, flunk, flush it, turkey. Similar words: bombing, combat, combine, aplomb, combined, combination. Meaning: [bɒm] 
n. 1. an explosive device fused to explode under specific conditions 2. strong sealed vessel for measuring heat of combustion 3. an event that fails badly or is totally ineffectual. v. 1. throw bombs at or attack with bombs 2. fail to get a passing grade.
n. 1. an explosive device fused to explode under specific conditions 2. strong sealed vessel for measuring heat of combustion 3. an event that fails badly or is totally ineffectual. v. 1. throw bombs at or attack with bombs 2. fail to get a passing grade. 
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211. A controlled explosion was carried out by bomb squad officers.
212. The bomb attack lent a new urgency to the peace talks.
213. A bomb exploded in a hotel, killing six people and wounding another five.