physical property vs brightness

Other hyponyms of physical property include absorption factor, absorptivity, dissolubility, solubleness, drippiness, reflection, reflectivity, reflexion, bending, deflection, deflexion, temperature, enthalpy, H, heat content, total heat, entropy, randomness, S, perceptibility, invisibility, invisibleness, brightness level, light, luminance, luminosity, luminousness, inaudibility, inaudibleness, imperceptibility, reluctivity, sensitiveness, sensitivity, magnetisation, magnetization, elasticity, snap, malleability, plasticity, inelasticity, unmalleability, mass, weight, momentum, fugacity, length, oversteer, understeer, thermal resistance, hydrostaticity, crystallinity, slatiness, acoustic absorption, thermal insulation, expandability, meltability.