EFFUSION

effusion

(noun) flow under pressure

effusion, gush, outburst, blowup, ebullition

(noun) an unrestrained expression of emotion

Source: WordNet® 3.1

Etymology

Noun

effusion (countable and uncountable, plural effusions)

A liquid outpouring.

(chemistry) Process of gases passing through a hole or holes considerably smaller than the mean free path of the gas molecules.

(figurative, by extension) An outpouring of speech or emotion.

(medicine) The seeping of fluid into a body cavity; the fluid itself.

Source: Wiktionary

Ef*fu"sion, n. Etym: [L. effusio: cf. F. effusion.]

1. 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.

2. That which is poured out, literally or figuratively. Wash me with that precious effusion, and I shall be whiter than sow. Eikon Basilike. The light effusions of a heedless boy. Byron.

3. (Pathol.) (a) The escape of a fluid out of its natural vessel, either by rupture of the vessel, or by exudation through its walls. It may pass into the substance of an organ, or issue upon a free surface. (b) The liquid escaping or exuded.

Source: Webster’s Unabridged Dictionary 1913 Edition