0 present participle of blacken
2 to spoil someone's reputation:
But in the converse case of chromatic test fields, susceptibility to blackening has been reported to vary with wavelength.
He talked about blackening the reputation of this country.
That article seemed to smack of the same sort of thing, hushing this up, blackening these men and getting rid of this awkward situation.
He cannot help their case, but he takes a delight in blackening the faces of his own countrymen.
We have a blackening picture which must cause the gravest anxiety.
We recognise the difficulties caused, and the blackening of the countryside which spoils the appearance of it for at least a short period.
Yet this calculated lie blackening this man's character has been used on three occasions in correspondence with me to justify a refusal to reinstate him.
Tar also damages the mouth by rotting and blackening teeth, damaging gums, and desensitizing taste buds.
