monograph noun 3verb 2forms 3 noun3 •A scholarly book or a treatise on a single subject or a group of related subjects; especially, such a document that is written by one person.The complex history of the Wirral Railway and the lines with which it was interlinked needs more lucid treatment than is given in this 39-page monograph - and clearer maps and an index. — 1961 •A single letter, especially one which represents a phoneme by itself. •A nonserial (nonperiodical) publication: a one-time publication. verb2 •To write a monograph on (a subject).It is among the most studied, monographed, celebrated and sent-up works of modern art, and perhaps as influential as any from the last century. — 2009 •(US) Of the FDA: to publish a standard that authorizes the use of (a substance). formsmonographed · monographing · monographs