fixed modification
[FIKSД /mɑdəfɪˈkeɪʃən/]
nounpl: fixed modifications
modificação fixa
1. A permanent or stable alteration made to an object, structure, or system that cannot be easily reversed or changed
The fixed modification to the building's foundation required special engineering approval.
A modificação fixa na fundação do edifício exigiu aprovação especial de engenharia.
2. In linguistics and grammar, a permanent change applied to a word or phrase that alters its form or function
The addition of a prefix is a fixed modification that changes the word's meaning.
A adição de um prefixo é uma modificação fixa que muda o significado da palavra.
3. In molecular biology, a covalent alteration of a protein or DNA molecule that is stable and heritable
Histone acetylation is a fixed modification that affects gene expression.
A acetilação de histona é uma modificação fixa que afeta a expressão gênica.
This is primarily a technical and scientific term used in engineering, biology, and linguistics. It is neutral across English-speaking regions and Portuguese-speaking countries, with usage predominantly in academic, industrial, and specialized professional contexts rather than everyday conversation.
Related Idioms & Phrases
a fixed modification to the system
undergo a fixed modification
permanent and fixed modification
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