SEARCH Articles Figures Tables Acid number: defined Atomic number defined Azimuthal quantum number, defined Capillary number equation defining Chain link number, defined Chemical Abstract Service Registry Number defined Coordination number defined Defined numbers, significant digits Elements Defined by Their Numbers of Protons Froude number defined Magnetic quantum number, defined Mass number defined Number-average molar mass , defined Number-average molecular weight defined Oxidation number defined Peclet number defined Principle quantum number, defined Quantum number defined Reynolds number, defined Reynolds number, equation defining Stokes number, equation defining Total acid number, defined Total base number, defined Transcendental numbers defined Wave number, defined