red book
noun
red book is spelled R-E-D-B-O-O-K: 7 letters. As a noun, red book means “A book, often bound with a red cover, or online equivalent, that is an official, or canonical, collection of data, regulations, or writings” (English Wiktionary, September 2026). The plural of red book is red books or red-books.
How many letters and syllables are in red book?
| Letters | 7: R-E-D-B-O-O-K |
|---|---|
| In writing | a phrase: the frequency list counts single words |
| Wrong spellings searched | none measured in search |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
Words people confuse with red book
Also written: redbook (one word or two).
Sources: English Wiktionary (homophones, alternative spellings).
Forms of red book
- red books plural
- red-book
- redbook
- red-books plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does red book mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
A book, often bound with a red cover, or online equivalent, that is an official, or canonical, collection of data, regulations, or writings.
All the chauntry preestis whos composicions are enrolled in the rede boke. T. Smith & L. T. Smith Eng. Gilds (1479, ed. 1870, p. 419, cited after OED)
- 2
A book supposedly belonging to the devil and containing the signatures of those in league with him.
noun
- 1
Alternative form of red book
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Where does red book come from?
From red + book, as a fixed title for various official books from the 15th century, especially the Red Book of the Exchequer, a manuscript volume of the 13th century (OED).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).