I'd press any mixture where medicines are made up (10)
I believe the answer is:
dispensary
'where medicines are made up' is the definition.
Although both the answer and definition are singular nouns, I don't understand how one could define the other.
'i'd press any mixture' is the wordplay.
'mixture' indicates anagramming the letters.
'id'+'press'+'any'='idpressany'
'idpressany' is an anagram of 'DISPENSARY'.
Can you help me to learn more?
(Other definitions for dispensary that I've seen before include "Drug dealer" , "Place where medicines are supplied" , "Stock of medicines" , "Place providing medicines" , "source of drugs?" .)