Previsão vs. predição
The Portuguese words previsão and predição are both used to refer to concepts involving the act of foreseeing something, but their usage and connotations differ depending on the context.
Previsão
A2Previsão generally refers to a forecast, prediction, or estimation based on knowledge, information, or patterns that help anticipate future outcomes. It is often used in practical contexts such as weather, planning, or predictions based on data.
A previsão do tempo indica chuva para amanhã.
(The weather forecast indicates rain for tomorrow.)
Ela fez uma previsão do orçamento para o próximo mês.
(She made a budget forecast for next month.)
A previsão para o mercado financeiro é de crescimento moderado.
(The forecast for the financial market is moderate growth.)
Predição
B2Predição also means prediction, but it is more formally associated with scientific, theoretical, or probabilistic contexts. It often implies a logical or calculated outcome based on research, hypotheses, or scientific models.
A predição dos cientistas foi confirmada pelos experimentos.
(The scientists' prediction was confirmed by the experiments.)
Essa é uma predição baseada em inteligência artificial.
(This is a prediction based on artificial intelligence.)
A predição de um aumento na temperatura global preocupa os ambientalistas.
(The prediction of a rise in global temperature worries environmentalists.)
Summary
While both previsão and predição mean prediction, previsão is more commonly used in everyday and practical contexts, like weather forecasts or planning, while predição has a more formal, scientific, or theoretical connotation, often tied to research or calculated analyses.