Pronunciation: (af'tur-glō", äf'-),[key] —n. 1. the glow frequently seen in the sky after sunset; afterlight.
2. a second or secondary glow, as in heated metal before it ceases to become incandescent.
3. the pleasant remembrance of a past experience, glory, etc.: She basked in the afterglow of her stage triumph. 4. phosphorescence (def. 3).