microdot
/ˈmaɪkrəʊdɒt/noun
1
- a microphotograph, especially of a printed or written document, that is only about 1 mm across（尤指印刷或书写文件的）微粒照片（宽约1毫米）。
1.1
- usu. as modifier denoting a pattern of very small dots微粒图案。
2
- a tablet of LSD（麦角酸酰二乙胺的）微型药片：
more than 1000 microdots of LSD.
1,000多微片麦角酸酰二乙胺。