Crossword Genius

Link with half-life as ion disintegrates (7)

Ross

I believe the answer is:

liaison

'link' is the definition.
(I know that link can be written as liaison)

'half-life as ion disintegrates' is the wordplay.
'half-life' becomes 'li' (half of word 'life').
'disintegrates' indicates an anagram (I've seen 'disintegrated' mean this).
'as'+'ion'='asion'
'asion' with letters rearranged gives 'aison'.
'li'+'aison'='LIAISON'

'with' acts as a link.

(Other definitions for liaison that I've seen before include "Communication between organisations - or an illicit affair" , "Intimate relationship" , "Cooperation between people or organisations" , "Communication between people or organisations" , "Communication between groups or units" .)

I've seen this clue in the Sydney Morning Herald.
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