n (esp in compounds 尤用以构成复合词) [C]
(a) person who restores (restore 4) things 做修复工作的人
*picture, furniture restorers 修复画、家具的人.
(b) [C, U] substance, etc that restores (restore 2b) things 用以恢复原状的物质; 恢复剂
*hair-restorer, ie to cure baldness 生发剂.

n[C]
a person whose job is repairing old things
　an art restorer
someone who brings back something that existed before
　He was described as a restorer of peace and order.