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Crazy scientist wastes time twice, creating hostility (7)

Ross

I believe the answer is:

iciness

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'hostility' is the definition.
(I've seen this in another clue)

I don't understand the rest of the clue.

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(Other definitions for iciness that I've seen before include "Hostile or cold nature" , "Hostile attitude" , "Extreme cold" , "State of being very cold or distant" , "Hostility, unfriendliness" .)

I've seen this clue in The Daily Mail.
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