capt - chem
- captive balloon
- captive balloon sounding
- capture cross-section
- capture rate
- carabine
- carbacidometer
- carbon cycle
- carbon dioxide
- carbon hygristor
- carbon isotope
- carbon monoxide
- carbon-black seeding
- carbon-dating
- carbon-film hygrometer element
- carbonate analysis
- carburetor icing
- carcenet
- cardinal winds
- careme
- Caribbean current
- Carnot cycle
- Carnot efficiency
- Carnot engine
- Carnot's theorem
- carrier frequency
- carrier wave
- carry-over effect
- Cartesian coordinates
- Cartesian tensor
- cartographical climatology
- cascade
- cascade filtering
- cascade impactor
- cascade process
- cascade shower
- cascade theory
- case study
- Cassegrainian mirror
- Casslla's siphon rainfall recorder
- castellanus
