1. Of a chemical compound having a ring with six members
   - six-membered

See also: membered

• Hydromantes
• Hydromantes brunus
• Hydromantes shastae
• hydromechanics
• hydromel
• hydrometer
• hydrometric
• hydrometry
• hydromorphone
• hydromorphone hydrochloride
• Hydromyinae
• Hydromys
• hydronephrosis
• hydropathic
• hydropathy
• hydrophane
• Hydrophidae
• hydrophilic
• hydrophobia
• hydrophobic
• hydrophobicity
• hydrophone
• Hydrophyllaceae
• Hydrophyllum
• Hydrophyllum virginianum