"maculation" in the noun sense
1. spot, speckle, dapple, patch, fleck, maculation
a small contrasting part of something
"a bald spot"
"a leopard's spots"
"a patch of clouds"
"patches of thin ice"
"a fleck of red"
2. staining, spotting, maculation
the act of spotting or staining something
Source: WordNet® (An amazing lexical database of English)
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