Word
appendix
Phoneticsap·pen·dix, stress on the second syllable
US/əˈpɛndɪks/
UK/ɐpˈɛndɪks/
Definitions
01book section
B2 · Upper Intermediate Countable noun
n. a section at the end of a book or report that gives extra details or data.
n. a collection of supplementary material at the end of a book, article, or document. Countable; often contains charts, tables, or raw data.
“You can find the full list of survey questions in the appendix at the back of the book.”
“The researcher included the raw statistical data in the appendix to allow other scholars to verify the study's findings independently.”
Synonyms
Antonyms
02body part
B2 · Upper Intermediate Countable noun Medicine
n. a small, tube-shaped part of your body attached to your large intestine.
n. the vermiform appendix; a small, blind-ended tube connected to the cecum of the large intestine.
“He had to go to the hospital to have his appendix removed.”
“The patient presented with acute abdominal pain, leading the surgeon to suspect an inflamed appendix that required immediate removal.”
Synonyms
03general attachment
C2 · Proficiency Countable noun Science Technical · Formal
n. something small that is attached to a larger thing.
n. a subsidiary or supplementary part attached to a main body or structure. Often used in technical or biological contexts to describe a projection.
“The small metal appendix on the machine helps to keep the paper straight.”
“The biologist noted a small fleshy appendix protruding from the specimen's primary limb, which appeared to serve no locomotive function.”
Synonyms
Collocations
Common phrases and expressions where native English speakers use the word “appendix” in context.
Verb
01. see appendix
“For a full list of the abbreviations used in this report, please see appendix A.”
verb + noun
Real-World Examples
“In Appendix B.2 , we also show that another LLM family, OLMO-3 ( Olmo et al., 2025 ) , exhibits similar failure modes.” Etymology
Borrowed from Latin appendix.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.
Domain
- Exam level
- CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
- Frequency
- Frequent
- Level
- B2 · Upper Intermediate
- Updated
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QR code
englishreference.com/q/appendix