Learn how to say Effulgence correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word effulgent:
shining brightly; radiant.
(of a person or their expression) emanating joy or goodness:
standing there was my father with the most effulgent smile on his face
mid 18th century (earlier (mid 17th century) as effulgence): from Latin effulgent- ‘shining brightly’, from the verb effulgere, from ex- ‘out’ + fulgere ‘to shine’