black wash

noun \"\

Definition of black wash

  1. 1 :  a lotion of calomel and lime water used on syphilitic sores —called also black lotion

  2. 2 usually blackwash a :  a wash that colors a surface black — compare whitewash b :  defamation 2

  3. 3 :  a wash of blacking and other ingredients used for coating foundry molds and cores to prevent their being burned by the molten metal

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feeling or affected by lethargy

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