/ ˌrestəˈreɪʃn; NAmE / noun
1.
[ U , C ] the work of repairing and cleaning an old building, a painting, etc. so that its condition is as good as it originally was :
The palace is closed for restoration .
restoration work
2.
[ U , C ] restoration of sth the act of bringing back a system, a law, etc. that existed previously :
the restoration of democracy / the monarchy
3.
[ U ] restoration (of sth) the act of returning sth to its correct place, condition or owner :
the restoration of the Elgin marbles to Greece
4.
the Restoration [ sing. ] the time in Britain after 1660 when, following a period with no king or queen, Charles II became king :
Restoration comedy / poetry (= written during and after this time)
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WORD ORIGIN
late 15th cent. (denoting the action of restoring to a former state): partly from Old French , partly an alteration of obsolete restauration (from late Latin restauratio(n-) , from the verb restaurare ), suggested by restore .