1. (chemistry) a molecule, such as an amino acid, that carries both a positively and a negatively charged groups
   - zwitterion

Encyclopedia: Inner salt

• ring blackbird
• ring containment
• ring dance
• ring disease
• ring finger
• ring girl
• Ring Lardner
• ring mail
• ring of color
• ring of colour
• ring out
• ring ouzel
• ring pull
• ring rot
• ring rot bacteria
• ring rot fungus
• ring snake
• ring thrush
• ring up
• ring vaccination
• ring-a-rosy
• ring-around-a-rosy
• ring-around-the-rosy
• ring-binder
• ring-fence