1. Opera with a happy ending and in which some of the text is spoken
   - comic opera, opéra bouffe, bouffe, opera buffa

Type of: opera

Encyclopedia: Opera comique

• oleograph
• oleomargarine
• oleophilic
• oleophobic
• oleoresin
• oleoresin capiscum
• oleum
• olfaction
• olfactive
• olfactory
• olfactory brain
• olfactory bulb
• olfactory impairment
• olfactory modality
• olfactory nerve
• olfactory organ
• olfactory perception
• olfactory property
• olfactory sensation
• Olfersia
• Olfersia cervina
• Olga Korbut
• olibanum
• oligarch
• oligarchic