Iridescence is a related term of splendour.
As nouns the difference between iridescence and splendour
is that iridescence is the condition or state of being iridescent; exhibition of colors like those of the rainbow; a prismatic play of color while splendour is .
iridescence
Noun
(-)
The condition or state of being iridescent; exhibition of colors like those of the rainbow; a prismatic play of color.
Any shimmer of glittering and changeable colors.
References
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splendour
English
Noun
(-)
Usage notes
The standard spelling in modern British English is splendour', with ' splendor being the American and dated British spelling.