substitution

/ˌsʌb.stɪˈtu.ʃən/

UK: /ˌsʌb.stɪˈtjuː.ʃən/

sʌb · STꞮTU · ʃən (3 syllables)

English Noun Top 32,511

Definition

The act of substituting or the state of being substituted.

From Middle French substitution, from Late Latin substitutio.

"In this football tournament, three substitutions can be made during the match."
"Gary is off this weekend, so Jeff will be his substitution."