Homonym: glow (Radiance)
"Glow" refers to the emission of light by an object, often due to heat or chemical reactions. This phenomenon can be seen in various forms, such as the warm light from a light bulb or the soft luminescence of fireflies. Glow can also occur in nature, like the bioluminescence found in certain marine organisms.
In addition to its physical properties, glow can describe a feeling or state of being. For example, a person may have a "glow" when they are happy or healthy, often characterized by a radiant appearance. This metaphorical use highlights the connection between inner well-being and outward expression.