monograph
noun C2- 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.
- A single letter, especially one which represents a phoneme by itself.
Plural monographs
From the library
I have made a special study of cigar ashes—in fact, I have written a monograph upon the subject.
I remember that during the whole of that memorable day he lost himself in a monograph which he had undertaken upon the Polyphonic Motets of Lassus.
As to Holmes, he returned refreshed to his monograph upon the Polyphonic Motets of Lassus, which has since been printed for private circulation, and is said by experts to be the last word upon the subject.
You may possibly have read my little monograph upon the subject.
Other matches
Learn monograph in real texts
With a free account, hover any word in the library for its meaning, hear it read aloud, save words for review timed to your memory, and see how much of each book you already know.