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)
Further reading
Language is always evolving, and that’s also true for American Sign Language. A century ago, the sign for “telephone” was one fist below your mouth and the other at your ear, as if you’re holding an old-fashioned candlestick...
Sure, there’s winter, spring, summer, and fall. But the seasons in between have even more poetic names. In Alaska, greenup describes a sudden, dramatic burst of green after a long, dark winter. And there are many, many terms for a cold snap...