Originally Posted by fugl
Among English-speaking birders the distinction’s increasingly observed (it should be after being beaten into our heads all these years!) at least as far as postings to BF are concerned. It’s among beginning and non-birder posters that the confusion mostly resides. The man-in-the-street, of course, is unlikely to have even heard the term “leucism” while everyone knows “albino”.
I usually use the definition as here
As said there, "A common misnomer is ‘partial albino’ – this is not possible since albinism affects the whole plumage of a bird, not just part."
Still, you find some birding publications with "partial albino" used as here
This is the confusion I'm talking about.