1. A limited or constrained response to a stimulus, situation, or event
The patient showed a restricted reaction to the medication due to side effects.
O paciente apresentou uma reação restrita ao medicamento devido aos efeitos colaterais.
2. In chemistry or biology, a reaction that is limited in scope or intensity
The experiment demonstrated a restricted reaction in the controlled environment.
O experimento demonstrou uma reação restrita no ambiente controlado.
3. A measured or subdued emotional or behavioral response
His restricted reaction to the news surprised everyone.
Sua reação restrita à notícia surpreendeu a todos.