capacitance, of a plate capacitor | | capacitance, of a plate capacitor | |

cathodic transfer coefficient, | | cathodic transfer coefficient, | |

| | cathodic transfer coefficient, | |

ceiling value () | | ceiling value () | |

Celsius temperature, , | | Celsius temperature, , | |

| | Celsius temperature, , | |

centrifugal (centripetal) acceleration, | | centrifugal (centripetal) acceleration, | |

centrifugal force, | | centrifugal force, | |

centrifugal radius, | | centrifugal radius, | |

characteristic mass for integrated absorbance, in electrothermal atomization | | characteristic mass for integrated absorbance, in electrothermal atomization | |

characteristic mass for peak absorption, in electrothermal atomization | | characteristic mass for peak absorption, in electrothermal atomization | |

characteristic mass,
in electrothermal atomization | | characteristic mass,
in electrothermal atomization | |

charge density, | | charge density, | |

charge number, | | charge number, | |

charge number , ,
of a cell reaction | | charge number , ,
of a cell reaction | |

| | charge number , ,
of a cell reaction | |

| | charge number , ,
of a cell reaction | |

chemical flux, | | chemical flux, | |

chemical oxygen demand () | | chemical oxygen demand () | |

chemical potential, | | Esin and Markov coefficient | |

| | Esin and Markov coefficient | |

chemical shift, in NMR | | chemical shift, in NMR | |

| | chemical shift, in NMR | |

| | chemical shift, in NMR | |

clearance,
| | clearance,
| |

coherence length, in thin films | | coherence length, in thin films | |

collision cross-section, | | collision cross-section, | |

collision density, | | collision density, | |

collision diameter, | | collision diameter, | |

collision efficiency, | | collision efficiency, | |

| | collision efficiency, | |

| | collision efficiency, | |

collision frequency, | | collision frequency, | |

compression factor, | | compression factor, | |

conductivity, , | | conductivity, , | |

| | conductivity, , | |

contact angle | | contact angle | |

corrosion potential, | | corrosion potential, | |

coulomb integral, | | coulomb integral, | |

coupling constant (spin-spin), | | coupling constant (spin-spin), | |

critical excitation energy,
in in situ microanalysis | | critical excitation energy,
in in situ microanalysis | |

critical micelle concentration | | critical micelle concentration | |

critical pressure, | | critical pressure, | |

critical temperature, | | critical temperature, | |

current density | | current density | |

| | current density | |