Quantity (6)
'quantity' is the definition.
(I know that quantity can be written as amount)
This is all the clue.
(Other definitions for amount that I've seen before include "Sum of money" , "Supply" , "value" , "Total or extent" , "Size" .)
'quantity' is the definition.
(I know that quantity can be written as number)
This is the entire clue.
(Other definitions for number that I've seen before include "Count - a digit?" , "Dance" , "Having less feeling - quantity" , "One, perhaps" , "Digit, cipher" .)