The amount of thanks received when coffee grinder is charged (7)
I believe the answer is:
million
'the amount' is the definition.
(million is a kind of amount)
'grinder is charged' is the wordplay.
'grinder' becomes 'mill' (synonyms).
'is charged' becomes 'ion' (I've seen this in other clues).
'mill'+'ion'='MILLION'
'of thanks received when coffee' acts as a link.
I am not very happy about this link. Some or all of it may be part of another bit of the clue.
Can you help me to learn more?
(Other definitions for million that I've seen before include "A thousand thousands" , "1,000,000" , "Ten to the power of six" , "A power of 1 Down" , "fortune!" .)