Definitions

1. verb

to remove or separate the gold or other metal from (something), especially to remove gold from (coins or other articles) by washing or chemical treatment.

“The process of deaurating old coins is a delicate art that requires great care.”

2. verb

to treat (something) with a chemical solution to remove or deposit a thin layer of metal, especially gold.

“The antique piece was deaurated to restore its original finish.”