devolution
C1Noun/US /dˌɛvəlˈuːʃən/ dĕv-əl-O͞OSH-ən; UK /dˌɛvəlˈuːʃən/ dĕv-əl-O͞OSH-ən/
The act of rolling down. The devolution of earth down upon the valleys.

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The act of rolling down. The devolution of earth down upon the valleys. Explore pronunciation, examples, forms and usage in the JadoLearn English dictionary.
The act of rolling down. The devolution of earth down upon the valleys.
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