Smart Definition
Etymology
Pronunciation
diurno
diurnal
diurnal
active during the day
Diurno means diurnal and is directly related to the English word diurnal0, which means active during the day0.
adjective
  1. diurnal
    Occurring or active during the day, as opposed to at night
    Los animales diurnos están activos durante el día. // Diurnal animals are active during the day.