negative pressure
[/ˈnɛɡətɪv ˈprɛʃər/]
nounpl: negative pressures
pressão negativa
1. A pressure that is lower than atmospheric pressure; a condition where air or fluid pressure is below the surrounding reference pressure
The negative pressure room prevents contaminated air from escaping to adjacent areas.
A sala de pressão negativa impede que o ar contaminado escape para áreas adjacentes.
2. In medical contexts, a condition where pressure inside a space is lower than outside, often used in isolation rooms or wound therapy
Negative pressure wound therapy accelerates healing by removing fluid from the wound site.
A terapia de ferida com pressão negativa acelera a cicatrização removendo fluido do local da ferida.
3. In physics and engineering, a relative pressure measurement below zero gauge pressure
The pump creates negative pressure to draw water upward through the pipe.
A bomba cria pressão negativa para extrair água para cima através do tubo.
The term 'negative pressure' gained significant cultural prominence in Brazil and globally during the COVID-19 pandemic, when negative pressure rooms became critical in hospitals for isolating infectious patients. The concept is now widely understood among healthcare workers and the general public in both Brazil and the USA.
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