coll - cons
- colla
- collada
- collapse
- collection efficiency
- collective
- collector
- collide
- colligative property
- collimator
- collision
- collision broadening
- collision cross-section
- collision dynamics
- collision efficiency
- collision frequency
- collision reaction
- collision relaxation time
- collocation method
- colloid
- colloidal dispersion
- colloidal instability
- colloidal metastable
- colloidal solution
- colloidal suspension
- colloidal system
- colloidally stable
- color spin scan cloud camera
- color temperature
- Colorado low
- Colorado sunkan pan
- column
- columnar crystal
- columnar recombination
- columnar resistance
- columnar snow crystal
- columnar vortex
- COM
- comanchaca
- comb nephoscope
- comb-type radiosonde
