bomb peak
 n.— «The chemical record in stalagmites is so sensitive the scientists are even able to plot the presence of what is called the bomb peak—the presence of excess carbon 14 created by the global atmospheric nuclear tests of the 1950s and ’60s.» —“Caves shed light on darkest secrets of our weather cycle” by James Woodford Sydney Morning Herald (Australia) Apr. 15, 2006. (source: Double-Tongued Dictionary)

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