Crossword Genius

Clot aunt again dispersed, using this? (13)

Ross

I believe the answer is:

anticoagulant

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'this?' is the definition.
The definition suggests a singular noun which matches the answer.

'clot aunt again dispersed' is the wordplay.
'dispersed' is an anagram indicator.
'clot'+'aunt'+'again'='clotauntagain'
'clotauntagain' anagrammed gives 'ANTICOAGULANT'.

'using' acts as a link.

Can you help me to learn more?

(Other definitions for anticoagulant that I've seen before include "Blood-thinning agent" , "Substance that prevents blood clotting" , "Blood clotting retarder" , "Blood thinner" , "Drug hindering blood clotting" .)

I've seen this clue in The Times.
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