Related Clues:

• Morose, sour
• Can this, being so forbidding, be so frank?
• If you want to weather them, see 13 across
• Do they come together chemically to make up the weather?
• Glowers of chemistry
• Bits of chemistry in the weather
• The chemistry of the weather?
• The basic parts of the weather
• Bright weather
• Do they make light of it for the chemist?
• In current use for the chemist
• The weather is all a matter of chemistry
• One might make light of them in chemistry
• Do they glow for the chemist?
• The basic principles of the weather?