1) Dutch invention 2) Research 
Microscopy is the technical field of using microscopes to view samples and objects that cannot be seen with the unaided eye (objects that are not within the resolution range of the normal eye). There are three well-known branches of microscopy: optical, electron, and scanning probe microscopy. Optical and electron microscopy involve the diffractio...
study of minute objects
• (n.) The use of the microscope; investigation with the microscope.
<technique> The science of the interpretive use, and applications of microscopes. ... (05 Aug 1998) ... 
(mi-kros´kә-pe) examination with a microscope. fluorescence microscopy see fluorescence microscopy.
Mi·cros'co·py noun The use of the microscope; investigation with the microscope. 
Type: Term Pronunciation: mī-kros′kŏ-pē Definitions: 1. Investigation of minute objects by means of a microscope.
Microscopy: The examination of minute objects by means of a microscope, an instrument which provides an enlarged image of an object not visible with the naked eye. Aside from the usual microscopy, there are various special types of microscopy including, for example: Electron microscopy -- Microscopy in which an electron beam replaces light to form ...
[n] - research with the use of microscopes
noun research with the use of microscopes