micrology
/ˌmaɪkrəˈlɒdʒi/Definitions
1. noun
The study of small structures or things; also the study of the microscopic world, particularly in relation to organisms or biological processes.
“The discovery was a significant advancement in the field of micrology.”
2. noun
A very small amount or quantity.
“The drop of liquid was a tiny micrology of the complex process.”