1 returning sth to its original condition
ADJ. complete, full | extensive Many of the older paintings have undergone extensive restoration.
VERB + RESTORATION carry out | undergo | await, be in need of, need This historic watermill is currently awaiting restoration.
RESTORATION + NOUN programme, project, work
PREP. for ~ The palace is closed for restoration. | under ~ a steam engine under restoration
2 bringing sth back into use/existence
ADJ. full the full restoration of Sino-US relations | immediate Protesters called for the immediate restoration of civil liberties.
PHRASES the restoration of diplomatic relations, the restoration of the monarchy