15: Every one individually
20: What an astronaut experiences in space
24: Surgery sites, briefly
25: Responded 'Not guilty'
28: Unit of oil production, briefly
34: Renege, slangily, with 'out'
35: Cause of a Macy's riot?
41: They're dispensed by the pound
42: Water temperature 'gauge'
50: Hazarding a guess: doughy metaphysician?
54: Post-skiing beverage, for some
56: Flute or saxophone variety
58: Fruit for flavoring gin