rustproof

[ ruhst-proof ]
/ ˈrʌstˌpruf /

adjective

not subject to rusting.

verb (used with object)

to coat with a substance that prevents rusting.

Origin of rustproof

First recorded in 1685–95; rust + -proof

Example sentences from the Web for rustproof

British Dictionary definitions for rustproof

rustproof
/ (ˈrʌstˌpruːf) /

adjective

treated against rusting