The most common and most likely answer to this crossword clue is the 8 letter word EFFUSION
I've seen this crossword clue in The Daily Telegraph
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F
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More clues leading to the result EFFUSION
- Streaming out of revolutionary Hanoi, suffering to some extent
- Gusher’s output providing energy — strong power source
- Flipping racket about very loud university outflow
- Outpouring from Hanoi, suffering after uprising
- Outburst from two females united in row on the way back
- Melting following English female’s gush
- English fellow getting reaction for unrestrained outpouring in speech
Buddy explains!
The straight part
We know that "Outpouring" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case outpouring = effusion.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does EFFUSION mean?
EFFUSION noun- A liquid outpouring.
- Process of gases passing through a hole or holes considerably smaller than the mean free path of the gas molecules.
- (by extension) An outpouring of speech or emotion.
- The seeping of fluid into a body cavity; the fluid itself.