1. Within a building
   - inside

Antonym: outdoors

Encyclopedia: Indoors

• cephalopodan
• Cephalopterus
• Cephalopterus ornatus
• cephaloridine
• cephalosporin
• Cephalotaceae
• Cephalotaxaceae
• Cephalotaxus
• cephalothin
• cephalothorax
• Cephalotus
• Cephalotus follicularis
• Cepheus
• Cepphus
• Cepphus columba
• Cepphus grylle
• CER
• Cerambycidae
• ceramic
• ceramic ware
• ceramicist
• ceramics
• ceramist
• Cerapteryx
• Cerapteryx graminis