BNF

[bee-en-ef]
noun
Forma de Backus-Naur / Notação de Backus-Naur
1. A metasyntactic notation used to express context-free grammars; a formal way to describe the syntax of programming languages and formal languages
The BNF notation is commonly used in computer science to define language syntax rules.
A notação BNF é comumente usada em ciência da computação para definir regras de sintaxe de linguagens.
2. A standardized format for representing grammar rules where symbols are placed within angle brackets and rules are defined with specific operators
This grammar is written in extended BNF for better readability.
Esta gramática está escrita em BNF estendida para melhor legibilidade.
BNF is primarily a technical term used in computer science, mathematics, and linguistics. It is part of academic and professional vocabulary in both Brazil and Portugal, with no colloquial variations. The term is often taught in programming and formal language courses at universities.
Synonyms / Sinônimos
Backus-Naur Formcontext-free grammar notationformal grammar notation

Regional Variations

General Brazilian
Forma de Backus-Naur
standard technical term used in Brazilian computer science education
Portugal
Notação de Backus-Naur
common term in Portuguese universities and technical documentation
International
BNF
acronym is universally recognized and used in technical contexts across all Portuguese-speaking countries

Related Words

EBNF (Extended Backus-Naur Form)syntaxgrammarparserformal languagecontext-free grammar
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