"the tips of their cigarettes glowed in the dark"

• have an intense colour and a slight shine

  "a fluorescent screen glowed a faint green colour"

• (of a person's face) appear pink or red as a result of warmth, health, embarrassment, etc.

  "he was glowing with health"

• convey deep pleasure through one's expression or bearing

  "Katy always glowed when he praised her"

"the setting sun cast a deep red glow over the city"

• a feeling of warmth in the face or body

  "he could feel the brandy filling him with a warm glow"

• a redness of the cheeks
• a strong feeling of pleasure or well-being

  "with a glow of pride, Mildred walked away"