Definition of "six-membered" []

• Of a chemical compound having a ring with six members (adjective)

WordNet. Princeton University. 2010.

• "The rigid linear molecules used contain aromatic six-membered rings as well as carbon–carbon triple bonds."
• "Oslo dealt with inorganic chemistry, but from 1930 onwards his work was concentrated on problems connected with molecular structure, particularly the structure of cyclohexane and its derivatives and other substances containing six-membered rings related to that of cyclohexane."
• "Professor Hassel's elegant work on six-membered rings, carried out with ever increasing precision, has laid a solid foundation for a dynamic chemistry in three dimensions."