Definitionen
1.NounA 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.
2.NounA nonserial (nonperiodical) publication: a one-time publication.
3.NounA single letter, especially one which represents a phoneme by itself.
4.VerbTo write a monograph on (a subject).
5.VerbOf the FDA: to publish a standard that authorizes the use of (a substance).