/ ˌpjes də reˈzɪstɒ͂s; NAmE -stɑːns/ noun
[ usually sing. ] ( pl. pièces de ré·sist·ance / ˌpjes də reˈzɪstɒ͂s; NAmE ˌreziːˈstɑːns/) (from French ) the most important or impressive part of a group or series of things
••
WORD ORIGIN
French , literally piece (i.e. means) of resistance .