blackwash

1 of 2

transitive verb

1

: to color with blackwash

2

: defame entry 1 sense 2

—contrasted with whitewash

black wash

2 of 2

noun

"

1

: a lotion of calomel and lime water used on syphilitic sores

called also black lotion

2

usually blackwash

a

: a wash that colors a surface black compare whitewash

b

: defamation sense 2

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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