- circuminscribed
- circumjovial
- circumlunar
- circumlunar flight
- circumlunar orbit
- circumlunar satellite
- circumlunar space
- circumlunar trajectory
- circum-medial triangle
- circummeridian altitude
- circumnavigation
- circumnormal triangle
- circumnuclear
- Circumnuclear Disc
- circumnuclear disk
- circumnuclear star formation
- circumnuclear star-forming ring
- circumnutation
- circumoral crown
- circum-orthic triangle
- circumoval precipitin test
- Circum-Pacific tectonic domain
- circum-pacific volcanic chain
- circumpharyngeal nerve
- circumplanetary