micropathic

adjective5

1. •
   Involving pathology that manifests at or results from changes at a microscopic level.

   • Lillie has shown that the presence of the virus in various organs was accompanied by micropathic changes. — 1935
2. •
   Characterized by a lack of vigor or strength; puny.
3. •
   (rare) Of or pertaining to micropathia.
4. •
   (no longer used) Pertaining to very small doses of medicines.

   • There are two medical systems in Siam, which might be called the megalopathic and the micropahtic, as the main distinction between them consists in the amount of the doses. — 1863
5. •
   (no longer used) Involving pathogenic microorganisms.