Old Master  (or  old master ) is a painter of skill who worked in Europe before about 1800, or a painting by such an artist. An  old master print  is an original print (for example an engraving or etching) made by an artist in the same period. Likewise an old master drawing .
Quick Answer. Dendrology is the study of trees and other woody plants, such as shrubs and woody vines. Dendrologists study every aspect of wooded plants to determine various characteristics of their structural systems. Continue Reading.
Dendrology, as a discipline of industrial forestry, tends to focus on identification of economically useful woody plants and their taxonomic interrelationships. As an academic course of study, dendrology will include all woody plants, native and non-native, that occur in a region. A related discipline is the study of sylvics, which focuses on the autecology of genera and species.