Di'o·rism noun [ Greek ..., from ... to distinguish; ... = dia` through + ... to divide from, from ... a boundary.] Definition; logical direction. [ Obsolete] Dr. H. More. Found on http://www.encyclo.co.uk/webster/D/70
The Greek term in Plato's usage signifies division, distinction; in that of Aristotle, distinction, definition, which is also the meaning today. In mathematics, a statement of the conditions needed in order to solve a problem. -- J.J.R. Found on https://www.encyclo.co.uk/local/21203