Luminescence
Part of speech: noun
Definition: Any emission of light that cannot be attributed merely to the temperature of the emitting body.
Glow
Part of speech: verb
Definition: To give off light from heat or to emit light as if heated.To radiate some emotional quality like light.To gaze especially passionately at something.To radiate thermal heat.To shine brightly and steadily.To sweat
Part of speech: noun
Definition: The state of a glowing object.The condition of being passionate or having warm feelings.The brilliance or warmth of color in an environment or on a person (especially one's face).
Example sentence: To enjoy the glow of good health, you must exercise.