·noun The part of geology relating to structure and organisms which require to be studied with a microscope.
·noun A treatise on the science. II. Geology ·noun The science which treats: (a) Of the structure a...
Webster's Dictionary of the English Language
·- ·Alt. of Micr-. ...
·adj Of or pertaining to micro-chemistry; as, a micro-chemical test. ...
·noun The application of chemical tests to minute objects or portions of matter, magnified by the us...
·adj Of or pertaining to micro-geology. ...