1. A noxious vapor or odor, especially one arising from decaying matter
The effluvium from the swamp was unbearable in the summer heat.
O eflúvio do pântano era insuportável no calor do verão.
2. In medicine, sudden hair loss (telogen effluvium)
The patient experienced effluvium after undergoing chemotherapy.
A paciente sofreu eflúvio após passar por quimioterapia.
3. An outflow or emanation of particles or energy
The effluvium of electrical particles was detected by the instrument.
O eflúvio de partículas elétricas foi detectado pelo instrumento.