Synonyms for individual words can be found below.
«underground»
«experiment»
Sentences with «underground experiment»
- We expect there may be other underground experiments or establishments throughout the United States already in operation, but because of the legality of it, they are keeping hush. (fooddrink-magazine.com)
- A host of experiments searching for dark matter, including the Large Hadron Collider, many underground experiments and several space missions, have failed to see anything... (newscientist.com)
- The scientists spearheaded giant underground experiments that revealed that the elusive particles morph from one variety into another. (sciencenews.org)
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sentences)