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

plural of effusion

liquid that has effused

plural of effusate

In an effuse manner.

Poured out freely; profuse. / Disposed to pour out freely; prodigal. / (botany) Spreading loosely, especially on one side.

(transitive) To emit; to give off. / (figuratively) To gush; to be excitedly talkative and enthusiastic about something. / (intransitive) To pour out like a stream or freely; to cause to exude; to shed.

(obsolete) effusion; loss

The state of being effusive.

Gushy; unrestrained, extravagant or excessive (in emotional expression). / (archaic) Pouring, spilling out freely; overflowing.