Dry-heated in order to lose moisture (9)
I believe the answer is:
dehydrate
'lose moisture' is the definition.
(I've seen this in another clue)
'dry-heated in order' is the wordplay.
'in order' indicates anagramming the letters (the letters in a new order).
'dry'+'heated'='dryheated'
'dryheated' with letters rearranged gives 'DEHYDRATE'.
'to' is the link.
(Other definitions for dehydrate that I've seen before include "Remove water from" , "Remove moisture from, make dry" , "Deprive of water" , "Drain" , "Lose a lot of water" .)