Other forms: replacements
A replacement is a new one put in place of the old. Find a replacement, a replacement part, her replacement.
It covers people and things: a replacement bus service, a replacement hip, and the person appointed after somebody leaves. Replacement value is what it would cost to buy new, which is what insurance pays. Replacement rate in demography is the birth rate at which a population stays level, about 2.1 children per woman. Note replace, irreplaceable; and that hip and knee replacements are among the most successful operations there are.
1nounreplacementA new one put in place of the old.
“My phone broke, so the shop gave me a replacement free of charge.”
2nounappointedThe person appointed after somebody leaves.
“The head teacher is retiring, and the school is still looking for a replacement.”
replacement is a substitute.
From replace + -ment.
Etymology from Wiktionary, CC BY-SA