Definition of tropolone in English:
 tropolone
noun ˈtrɒpələʊnˈträpəˌlōn
mass nounChemistry An organic compound present in various plants, with a molecule based on a seven-membered carbon ring.
Chemical formula: C₇H₆O₂
 Example sentencesExamples
-  Various derivatives of tropolone have been synthesized, and recently three independent syntheses of tropolone have been described.
 -  The present invention relates to oral care compositions suitable for preventing or treating diseases or conditions of the oral cavity in warm-blooded animals including humans, comprising an oral care effective amount of at least one tropolone compound in combination with at least one essential oil, and a pharmaceutically acceptable oral carrier.
 -  Negative controls were previously incubated in 10 mM tropolone, a specific inhibitor for PPO activity.
 -  Most remarkably, with the addition of one water molecule to tropolone the observed tunneling splitting vanishes.
 
Origin
  
1940s: from tropilidine (a liquid hydrocarbon) + -ol + -one.