octodecimo
Definition
- Noun:
- A book size resulting from folding a sheet of paper into eighteen leaves (thirty-six pages). It is commonly abbreviated as "18mo" in bibliographic contexts.
- A book of this specific size.
Usage Examples
- (The book was made by folding paper into eighteen leaves per sheet.)
- (Bibliophiles look for books in this small format.)
Advanced Usage
- In bookbinding and publishing: "octodecimo" refers to a specific standard size (approximately 4 inches by 6.5 inches, or 10 cm by 16.5 cm), though actual dimensions vary by paper and trimming.
- The publisher chose octodecimo for the pocket-sized poetry collection. (The small format was selected for convenience.)
Variants and Related Words
18mo (abbreviation): the standard shorthand for octodecimo in bibliographic descriptions.
- The catalogue lists the book as 18mo. (The entry uses the abbreviation.)
Duodecimo (n): a book size from folding a sheet into twelve leaves (24 pages), slightly larger than octodecimo.
- Sixteenmo (n): a book size from folding a sheet into sixteen leaves (32 pages).
Synonyms
- Eighteenmo: a direct synonym (though less common).
- Small format: a general term for books of a compact size.
Related Idioms
- There are no common idioms or phrasal verbs associated with "octodecimo," as it is a highly specialized technical term used primarily in bibliography, book collecting, and printing history.