Definition of death ray
: a weapon that generates an intense beam of particles or radiation by which it destroys its target
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Recent Examples of death ray from the Web
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The Greek mathematician and inventor Archimedes used the parabolic mirror, so the story goes, to deter a fleet of approaching ships, crafting a solar death ray using panels of what was likely polished bronze.
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Despite his breakthrough inventions (alternating current, fluorescent bulbs, lasers, robotics, wireless power and even a death ray), he's fallen into obscurity.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'death ray.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of death ray
1896
DEATH RAY Defined for English Language Learners
death ray
Definition of death ray for English Language Learners
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in stories : a weapon that sends out a very strong beam of energy that usually looks like light and that is able to destroy almost anything
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