1. a bright, shining light; radiance or brilliance
Usage: formal or literary

Examples

• The effulgence of the sun filled the valley with golden light.
• The star's effulgence could be seen from miles away.
• She was struck by the effulgence radiating from the stained-glass windows.
• The effulgence of the full moon illuminated the night sky.
• The painting captured the effulgence of dawn breaking over the mountains.
• His face glowed with an inner effulgence of joy and contentment.