/trænˈzɪʃn;-ˈsɪʃn||; trænˈzɪʃən/noun [C,U] (a) transition (from sth) (to sth) a change from one state or form to another 过渡;转变: the transition from childhood to adolescence从童年过渡到青春期 ➔transitional /-ʃənl ||; -ʃənḷ/ adja transitional stage/period 过渡阶段╱时期