tarnish

As a noun tarnish

is oxidation or discoloration, especially of a decorative metal exposed to air.

As a verb tarnish

is to oxidize or discolor due to oxidation.

As an adjective tarnishable is

capable of becoming tarnished.

As verbs the difference between tarnish and bemerd

is that tarnish is to oxidize or discolor due to oxidation while bemerd is (rare|transitive) to befoul with excrement.

As a noun tarnish

is oxidation or discoloration, especially of a decorative metal exposed to air.

As verbs the difference between tarnish and distain

is that tarnish is to oxidize or discolor due to oxidation while distain is to stain, discolour or tarnish.

As a noun tarnish

is oxidation or discoloration, especially of a decorative metal exposed to air.