1. A blue crystalline compound, C10H8; m.p. 99°C. It contains a five-membered ring fused to a seven-membered ring and has aromatic properties. When heated it is converted into naphthalene.
2. Any of a number of blue oils that can be produced by distilling or heating essential oils from plants.
Azulene
- photosynthesis
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- phragma
- Phragmites cliffwoodensis
- phragmocone
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