Spelling Bee Hive found 1 result for perpetuum mobile. This page contains the same results as searching for that word in the app.
perpetuum mobile - noun; Level 9; origin: New Latin; pronunciation: per-ˈpe-tu̇-ˌu̇m-mō-ˈbē-lā. an imagined device that would run forever without added energy.
perpetuum mobile is in Level 9, Set 04 of the Spelling Bee Hive practice sets.
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