An organic chemical compound with multiple double bonds arranged in a specific chain pattern, used in advanced chemistry.
From Latin 'cumulus' (heap, pile) + chemical suffix '-ene' (indicating double bonds). The term emerged in 20th-century organic chemistry to describe compounds where double bonds accumulate consecutively.
Cumulenes are nature's version of molecular spring coils—the double bonds stack up in a way that gives them unique twisty properties that scientists use to build sophisticated molecules and study how chemistry works at tiny scales.
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