International?

I always thought interracial relationship were two people of different coloured skin types being together. Yet recently I saw people of the same colour skin who were different nationalities saying they were interracial. Is that correct? Thankyou. 
Yes- same colour but different nationality a is interstitial 
No-has to be different skin colours.
This isn't me being funny, I want to know as my partner and I are different nationalities but both white. 

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