### Clue: Circle Line trips are timed (8)
### Answer: DIAMETER 
 ### Explanation: Definition: Circle Line
 **Anagram of**(trips) ARE TIMED.
Defn: A line joining 2 points on a circle passing through its centre.
**MINEFIELDS** : [MINE FIELDS](in eg. cricket, if your team is batting, mine will be fielding).
Defn: Controversial issues that one should disengage from in order not to get into trouble.