[ soo-per-sesh-uh n ]
/ ˌsu pərˈsɛʃ ən /


the act of superseding.
the state of being superseded.

Origin of supersession

1650–60; < Medieval Latin supersessiōn- (stem of supersessiō), equivalent to Latin supersess(us) (past participle of supersedēre to supersede) + -iōn- -ion; see session Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for supersession