# nomenclature

/ˈnoʊmənˌkɫeɪtʃɝ/ (US) · /nəmˈɛŋklətʃɐ/ (UK)

Source: https://englishreference.com/word/nomenclature
Updated: 2026-08-27

## Senses

### 1. system of naming

noun · CEFR C1 · Academic · Technical

a system of rules for naming things in a particular field, such as biology or chemistry.

For teachers: a system of rules or conventions used for forming names or terms within a specific branch of knowledge or art.

- In biology, the nomenclature for naming species uses two Latin words.
- The international committee met to standardize the chemical nomenclature, ensuring that researchers worldwide use identical terms for new compounds.

Usage: Often used with the definite article 'the' followed by 'of' and a specific field.

Teaching tip: This is a high-level academic word; students should use 'vocabulary' or 'terms' in everyday conversation.

### 2. set of terms

noun · CEFR C1 · Academic · Formal

the specific set of names or words used by a group of people in a certain job or hobby.

For teachers: the body or system of names in a particular field, viewed as a collective set.

- It takes time to learn the complex nomenclature of the legal profession.
- The report criticized the confusing nomenclature used by the tech industry, arguing that it creates unnecessary barriers for new users.

Usage: Uncountable when referring to the concept, but can be countable when comparing different systems.

## Examples

- The scientific nomenclature for humans is Homo sapiens.
- The committee met to update the botanical nomenclature to reflect recent genetic discoveries.
- Standardising the nomenclature across different research departments proved difficult, as each team had developed its own internal jargon over several decades.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.