/ rɪˈpleɪsmənt; NAmE / noun
[ U ] the act of replacing one thing with another, especially sth that is newer or better :
the replacement of worn car parts
[ C ] a thing that replaces sth, especially because the first thing is old, broken, etc. :
a hip replacement
[ C ] replacement (for sb) a person who replaces another person in an organization, especially in their job :
We need to find a replacement for Sue.