irregular changes
[ɪˈrɛɡjələr ˈtʃeɪndʒɪz]
noun
mudanças irregulares
1. Alterations or modifications that do not follow a consistent pattern, rule, or expected sequence
The irregular changes in the weather made it difficult to plan outdoor activities.
As mudanças irregulares no clima tornaram difícil planejar atividades ao ar livre.
2. In grammar, modifications to word forms that deviate from standard conjugation or declension patterns
English irregular verbs like 'go' and 'eat' show irregular changes in their past tense forms.
Verbos irregulares em inglês como 'go' e 'eat' mostram mudanças irregulares em suas formas de tempo passado.
3. Fluctuations or variations in data, trends, or measurements that lack predictability
The stock market experienced irregular changes throughout the trading day.
O mercado de ações experimentou mudanças irregulares ao longo do dia de negociação.
This term is commonly used in academic, scientific, and business contexts in both Brazilian and American English. In Brazil, it's frequently employed in weather reports, economic analyses, and grammar instruction. The concept of 'irregular changes' is particularly important in Portuguese language teaching, where irregular verbs (verbos irregulares) represent a significant learning challenge for English speakers.
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