EFFUSION n. 2 definitions
The act of pouring out; as, effusion of water, of blood, of grace, of words, and the like. To save the effusion of my people's blood. Dryden.
EFFUSIVE a.
Pouring out; pouring forth freely. "Washed with the effusive wave." Pope. Effusive rocks (Geol.), volcanic rocks, in distinction from so-called intrusive, or plutonic, rocks. -- Ef*fu"sive*ly, adv. -- Ef*fu"sive*ness, n.