effusion
- (countable, uncountable) A liquid outpouring.
- (countable, uncountable) Process of gases passing through a hole or holes considerably smaller than the mean free path of the gas molecules.
- (broadly, countable, figuratively, uncountable) An outpouring of speech or emotion.
- (countable, uncountable) The seeping of fluid into a body cavity; the fluid itself.
Opposite of
infusion
Frequency
Etymology
Borrowed from Middle French effusion, from Latin effūsiō (“outpouring”). Displaced native Old English āgotennes.
pouring out
escape of fluid
out-of-range
spill-out
slopover
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