Related Clues:
- Tough coal, almost plentiful relative to heat
- Column of rising air used by gliders
- Up current
- Upward current of warm air
- Current of rising air
- Up-current of air
- Rising current of warm air
- Heat-retaining
- Current king in approach to palace, scratching bottom
- Rising air current
- Air upcurrent
- Warming element of smoother malt
- Of heat
- The wind getting up
- Time to convalesce, taking room in type of baths