[mass noun]the transfer or delegation of power to a lower level, especially by central government to local or regional administration (尤指中央政府向地方或地区行政部门的)权力下放;授权 ■(formal)descent or degeneration to a lower or worse state 倒退;堕落;恶化 the devolution of the gentlemanly ideal into a glorification of drunkenness. 从绅士式的理想到美化酗酒的堕落。 ■(Law)the legal transfer of property from one owner to another (律)(财产的)合法转让 ■(Biology)evolutionary degeneration (生)退行进化,退化
派生 devolutionary adjective devolutionist noun 语源
late 15th cent. (in the sense transference by default): from late Latin devolutio(n-), from Latin devolvere 'roll down' (see devolve)