Chalky] I went round and round in circles with your clue, all that I could come up with was * ASTUTENESS from astute being almost acute but no idea about the "expulsion" part.

[Inkspot] Thanks for trying - no-one else has. Your answer isn't what I had in mind. It has occurred to me that it's one of those clues that 'could' be several things, therefore, not a very good one! If anyone else wants to have a crack at it, please be my guest. I compiled it myself and deliberately tried to 'crypticize' it, thinking I was being clever. Shall I post some letter clues?

Yes please.

I was trying to post this last night when MC5 started to go nuts. Seed of the Greenwich time signal (3) In the meantime, Chalky, yes, do letters.

Slightly pointless expulsion under ruling. [10]
. U . . E . T . . .
Darren - Is it PIP ?