the.com/microscopic
So small that finding it requires either a lens or a leap of faith.
means Far too tiny to see with the naked eye, visible only through a microscope.
from Stitched from Greek mikros (small) and skopein (to look at) — literally the act of looking at the small, coined alongside the instrument itself in the 1600s.
Resolution limitLight microscopes max out near 200 nanometers.
Loose usageOften just means embarrassingly tiny, no lens required.
Living worldsA teaspoon of soil holds billions of microscopic organisms.