Definitions

1. verb

to remove or remove the rust from (a surface)

“The mechanic had to derust the old car’s engine before repairing it.”

2. noun

a substance, especially rust, that has been removed from a surface

“The derust left behind a smooth finish on the metal.”

3. noun

the act of removing rust from a surface

“Derust is an essential process in restoring antique furniture.”