reação espontânea
[he-a-SOW̃ es-pon-TAH-nee-ah]
nounfemininepl: reações espontâneas
spontaneous reaction
1. An immediate, unplanned response or reaction that occurs naturally without deliberate thought or external prompting
Her spontaneous reaction to the surprise was genuine laughter.
A reação espontânea dela à surpresa foi uma risada genuína.
2. In chemistry and physics, a natural process that occurs without external energy input
The spontaneous reaction between the two chemicals produced heat.
A reação espontânea entre os dois químicos produziu calor.
3. An unscripted or unrehearsed action or statement
The actor's spontaneous reaction during the filming was memorable.
A reação espontânea do ator durante a gravação foi memorável.
Related Idioms & Phrases
de forma espontânea - in a spontaneous manner
reação de primeira instância - gut reaction
sem pensar duas vezes - without thinking twice
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