irreversible change
[/ˌɪrɪˈvɜːsəbəl tʃeɪndʒ/]
nounpl: irreversible changes
mudança irreversível
1. A transformation or alteration that cannot be undone or returned to its original state
Climate change represents an irreversible change to our planet's ecosystem.
A mudança climática representa uma mudança irreversível no ecossistema do nosso planeta.
2. In chemistry and physics, a process that cannot spontaneously occur in the reverse direction
Burning paper is an irreversible change because you cannot turn ash back into paper.
Queimar papel é uma mudança irreversível porque você não pode transformar cinzas novamente em papel.
3. A permanent modification to a system, object, or condition
The damage to the historical building was an irreversible change that shocked the community.
O dano ao prédio histórico foi uma mudança irreversível que chocou a comunidade.
The concept of 'irreversible change' is particularly salient in Brazilian environmental discourse due to ongoing discussions about deforestation in the Amazon rainforest. In American education, the term is standard in elementary school science curricula when teaching the difference between reversible and irreversible changes. Both cultures use this term extensively in discussions about climate change, social transformation, and technological advancement.
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