* * *
1) of, relating to, or conducted with the microscope or microscopy
2) so small or fine as to be invisible or indistinguishable without the use of a microscope compare MACROSCOPIC, SUBMICROSCOPIC, ULTRAMICROSCOPIC (1)
mi·cro·scopi·cal·ly -i-k(ə-)lē adv
* * *
adj.
1. too small to be seen clearly without the use of a microscope.
2. of, relating to, or using a microscope.
* * *
mi·cro·scop·ic (mi″kro-skopґik) 1. of extremely small size; visible only by the aid of the microscope. 2. pertaining or relating to a microscope or to microscopy.Medical dictionary. 2011.