Definition of acutance in English:

acutance

noun

  • The sharpness of a photographic or printed image.

    • ‘Not only is the roll printable, it has extremely high acutance - the prints from it appear almost unreally sharp.’
    • ‘Because of the tanning effect of catechol on emulsion gelatine, it has many of the properties of pyrogallol, including high acutance and low fog.’
    • ‘Highlight separation, sharpness and acutance are increased because they give more pronounced edge effects than other developers.’

Origin

1950s: from acute + -ance.

Pronunciation

acutance

/əˈkyo͞otns/