in the schools, signifies the manner of speaking or writing, adapted to teach or explain the nature of things. The word is formed from the Greek *didasko*, "I teach."

There are many words which are only used in the didactic and dogmatic way: and there are many works, ancient and modern, both in prose and verse, written Didapper after this method: such are the Georgics of Virgil, Lucretius's poem De Rerum Natura, and Pope's Essays on Criticism and on Man, &c. &c.