noun
Technical term used in film and printing to describe the visible texture or particle structure of an image or surface.
高感度フィルムでは粒状性が目立つことがある。
With high-speed film, grain can sometimes be noticeable.
印刷物の粒状性を評価する。
Evaluate the granularity of the printed material.
Compound of 粒状 (granular form) + 性 (property, -ness). The exact historical derivation is uncertain; the spelling is conventionally associated with the meaning of graininess or granularity in technical fields.