Related Clues:

• Flat's lack
• Simple tune
• Indefinable something
• Luminous radiation
• It may be hot, cold or thin
• Play on TV
• Personal emanation
• Pervasive emanation
• It may be thin, hot or cold
• Saintly ambience
• You need some, really
• Hang out to dry
• Certain something
• Distinct quality
• Whistler's output