laserium

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English

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English Wikipedia has an article on:
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Etymology

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Originally a trade name. Compare planetarium.

Noun

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laserium

  1. An indoor laser light show.
    • 1999, Martha C. Lawrence, Aquarius Descending:
      Like a laserium, the walls and ceiling had become a three-hundred-sixty-degree movie screen, and a very real image of outer space—probably footage from NASA's Voyager expedition—surrounded us.