“Monograph (noun): A scholarly paper or book on a particular subject; special essay or treatise on a single thing or topic. Adjective: monographic, monographical; adverb: monographically.
‘I have, as you know, devoted some attention to this, and written a little monograph on the ashes of 140 different varieties of pipe, cigar and cigarette tobacco.’ Arthur Conan Doyle, ‘The Boscombe Valley Mystery‘”
Excerpted from: Grambs, David. The Random House Dictionary for Writers and Readers. New York: Random House, 1990.