Englishfor English speakers
replacement
Noun
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A replacement is something that stands in for something else.
I'll be the replacement security guard for the guy who quit.
Here is the replacement gadget for the one you lost.
age
Noun
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Something's age is how long it has existed or been alive; how old something is.
The boy said he was age five.
Scott is showing his age.
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An age is a time period.
The 1960s was a new age in music.
age
Verb
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To get older.
Lillian has aged gracefully.