"blackness" in the noun sense
1. black, blackness, inkiness
the quality or state of the achromatic color of least lightness (bearing the least resemblance to white)
2. total darkness, lightlessness, blackness, pitch blackness, black
total absence of light
"they fumbled around in total darkness"
"in the black of night"
Source: WordNet® (An amazing lexical database of English)
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