tarnish

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tarnish

Surface discoloration or reduced luster of metals owing to the effect of corrosive substances or galvanic action. In dental restorations, such action may be enhanced by accumulation of bacterial plaque.
Medical Dictionary, © 2009 Farlex and Partners
References in periodicals archive ?
The ugly episode has tarnished memories of the Azzurri's World Cup triumph in Germany last summer.
"It feels like the 10-year celebrations have been tarnished because of the changes."
While my family and I are happy that this episode is finally over, our fight to clear our tarnished name and reputation continues,' Co said in a statement Thursday.
But equally Howard Kendall doesn't deserve to have his memory tarnished in any way either.
"He could be exonerated, but he is tarnished forever.
The victim said, "My school has suspended my admission saying their reputation can be tarnished if I continue to study here."
He said the school's reputation was "tarnished" after it was placed in special measures in 2014.
Global Banking News-August 4, 2017--ANZ CEO says big banks tarnished by money laundering allegations against CBA
Northern Province Bar Association's Vavuniya Branch Secretary Anton Punidnayagama said they would continue the boycott until legal action was taken against the miscreants responsible for the defamatory propaganda that tarnished the judges' reputation.
For those interested in understanding this type of leadership, Tarnished is an excellent starting point.
"Sadly the image of the Premier League is being tarnished by the actions of the manager of Chelsea," Hackett wrote in a blog on you-are-the-ref.com.
"In Syria, we backed the opposition though we know did not exist...We tarnished the image of President al-Assad which we'd better not have done," he said.