What does the word microscopic mean?

Usage examples for microscopic

  1. In the small front yard was a microscopic flower- bed; there were no flowers in it, but the stake that held up a stout plant in the middle was surmounted by a neat wooden sign bearing the inscription, 'No Smoking on these Premises. – Marm Lisa by Kate Douglas Wiggin
  2. Dr. Mackenzie bent forward to examine minutely a microscopic darn in the sheet. – The Rosary by Florence L. Barclay