grainy

形容词 grainy:

1. composed of or covered with particles resembling meal in texture or consistency
   同义词：farinaceous, coarse-grained, granular, granulose, gritty, mealy

grain.y

adj.（形容词）
grain.i.er,grain.i.est
Made of or resembling grain; granular.
颗粒状的：包含颗粒的或类似颗粒的；颗粒状的
Resembling the grain of wood.
类似木头纹理的
Having sharp divisions between light and dark patches; not smooth. Used of photographs and film.
粒面的：在明暗区间有显著分界的；不平滑的。用于相片和电影胶片

【引伸】
grain.iness
n.（名词）