1. A blockage or impediment that prevents the normal movement or passage of a fluid, gas, or substance through a channel, vessel, or system
The flow obstruction in the pipe caused water to back up in the sink.
A obstrução de fluxo no cano causou o acúmulo de água na pia.
2. In medical contexts, a blockage that impedes the circulation of blood or other bodily fluids
The doctor detected a flow obstruction in the patient's artery.
O médico detectou uma obstrução de fluxo na artéria do paciente.
3. In engineering and fluid dynamics, any obstacle or narrowing that restricts the movement of fluids through a system
The flow obstruction reduced the efficiency of the cooling system.
A obstrução de fluxo reduziu a eficiência do sistema de refrigeração.