coef - conf
- coefficient of compressibility
- coefficient of permeability
- coefficient of storage
- coefficient of transmissibility
- coefficient of transmissivity
- coefficient of volume compressibility
- cohesion
- coliform organism
- collapse breccia
- collapse chamber
- collapse of caves
- collapse sink
- collapse sinkhole
- collector well
- colloid
- column
- comminution
- community
- compaction
- compaction, residual
- compaction, specific
- compass
- competition
- complete well penetration, fully penetrating
- compressibility
- compressive stress
- compromise boundary
- concentration gradient
- concretion
- condensation
- condensation nucleus
- condensation water
- conduit
- conduit flow
- conduit permeability
- conduit porosity
