1. 显微镜的：microscopic 微观的 | microscopical 显微镜的 | microscopist 显微镜人员

1. so small as to be invisible without a microscope

    e.g. differences were microscopic

    Synonym: microscopic

2. visible under a microscope
    using a microscope

    Synonym: microscopic

3. of or relating to or used in microscopy

    e.g. microscopic analysis
           microscopical examination

    Synonym: microscopic