a small area of ink on a surface or piece of paper, either made by mistake or used as part of a psychological test

The Swiss psychiatrist delved into the mental state of his patients by showing them 15 accidental inkblots and asking them what they thought they were looking at.

The cards have pencil and ballpen marks and some ink blots on them. 这些卡片上有铅笔和圆珠笔印记，还有一些墨迹。