### Clue: Flatten coat on slate (7)
### Answer: PANCAKE 
 ### Explanation: Definition: Flatten
 CAKE(a layer;a coat of compacted matter deposited on a surface, as in "a cake of powder on her face") **placed after**(on, in an across clue) PAN(to criticise harshly;to slate).
Defn. and Answer: As verbs.