Definition of maculation in US English:

maculation

noun

literary
  • See maculate

    • ‘Objects were painted to either simulate the color and maculation of Brownheaded Cowbirds eggs (i.e., off-white background with brown speckles [see Harrison 1978) or they were painted immaculate white.’
    • ‘Nantes-based artist Jackie Dumonteil has designed a blue and white spray-paint maculation of the inner, corrugated surface.’
    • ‘The tiger beetles within the Amargosa River drainage are notable in their extreme reduction in maculation (spots and markings).’

Pronunciation

maculation

/ˌmakyəˈlāSHən/