pl. 气氛, 气味

Aura \Au"ra\, n.; pl. {Aur[ae]}. [L. aura air, akin to Gr. ?.]
1. Any subtile, invisible emanation, effluvium, or exhalation
from a substance, as the aroma of flowers, the odor of the
blood, a supposed fertilizing emanation from the pollen of
flowers, etc.

2. (Med.) The peculiar sensation, as of a light vapor, or
cold air, rising from the trunk or limbs towards the head,
a premonitory symptom of epilepsy or hysterics.

{Electric aura}, a supposed electric fluid, emanating from an
electrified body, and forming a mass surrounding it,
called the electric atmosphere. See {Atmosphere}, 2.