n. 散发, 发出

[化] 射气

[医] 放出物, 臭气, 射气

Emanation \Em`a*na"tion\, n. [L. emanatio: cf. F. ['e]manation.]
1. The act of flowing or proceeding from a fountain head or
origin. --South.

Those profitable and excellent emanations from God.
--Jer. Taylor.

2. That which issues, flows, or proceeds from any object as a
source; efflux; an effluence; as, perfume is an emanation
from a flower.

An emanation of the indwelling life. --Bryant.