ステレオグラムMeanings1nounstereogramA stereogram is an optical illusion of depth created from a flat, two-dimensional image; often refers to autostereograms (e.g., Magic Eye pictures).ステレオグラムをじっと見みると、立りっ体たい的てきな絵えが浮うかび上あがる。When you stare at a stereogram, a three-dimensional picture emerges.