codex: meaning, definition, pronunciation and examples
C2Formal, Academic, Technical, Literary
Quick answer
What does “codex” mean?
A manuscript book, especially of an ancient classic text or of the Scriptures.
Audio
Pronunciation
Definition
Meaning and Definition
A manuscript book, especially of an ancient classic text or of the Scriptures.
An official or formal list, such as a book of laws or standards; in modern contexts, a set of standards or formats (e.g., in computing or digital media).
Dialectal Variation
British vs American Usage
Differences
No significant difference in usage or meaning. Frequency is equally low in both varieties.
Connotations
Conveys historical weight, antiquity, and authority.
Frequency
Extremely low frequency in general English; appears primarily in academic, historical, or technical texts.
Grammar
How to Use “codex” in a Sentence
the [ADJECTIVE] codex of [NOUN]codex of [LAWS/TEXTS]preserved in codex formVocabulary
Collocations
Examples
Examples of “codex” in a Sentence
noun
British English
- The codex is housed in the British Library.
- The discovery of the ancient codex was a major event for medievalists.
American English
- The codex is part of the museum's rare books collection.
- Scholars are carefully restoring the damaged codex.
Usage
Meaning in Context
Business
Virtually never used.
Academic
Used in history, classics, archaeology, and manuscript studies to refer to ancient bound books.
Everyday
Extremely rare; would be misunderstood by many.
Technical
Used in pharmacology (e.g., British Pharmacopoeia Codex), law (legal codex), and computing (video codex/codec, though this is often a confusion with 'codec').
Vocabulary
Synonyms of “codex”
Vocabulary
Antonyms of “codex”
Watch out
Common Mistakes When Using “codex”
- Mispronouncing as /ˈkɒdɛks/ (like 'cod' + 'ex').
- Confusing with 'codec' (a digital encoder/decoder).
- Using it as a synonym for any old book instead of a specific type of manuscript.
FAQ
Frequently Asked Questions
No. A codex is a specific type of manuscript book, especially an ancient or medieval one. Not all books are codices.
No, 'codex' is exclusively a noun in standard English.
The standard plural is 'codices' (/ˈkəʊ.dɪ.siːz/ or /ˈkoʊ.də.siːz/). 'Codexes' is sometimes seen but is less common.
Yes, both words derive from the Latin 'caudex' (tree trunk, wooden tablet, book). 'Codex' came to mean a book, and 'code' came to mean a systematic collection of laws or rules, often contained in a book.
A manuscript book, especially of an ancient classic text or of the Scriptures.
Codex is usually formal, academic, technical, literary in register.
Codex: in British English it is pronounced /ˈkəʊ.deks/, and in American English it is pronounced /ˈkoʊ.deks/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “[No common idioms for this word]”
Learning
Memory Aids
Mnemonic
Think: 'CODes are in booKS' -> CODEX. A codex is a book of codes (laws, scriptures).
Conceptual Metaphor
AUTHORITY AS A PHYSICAL BOOK (e.g., 'the codex of law' metaphorically grants the law physical weight and permanence).
Practice
Quiz
In which field is the word 'codex' LEAST likely to be used correctly?