[al2o3cr]

The first use is a hyperlink to a whole article defining the term, what are you on about?

[lelandfe]

TBF, it uses the acronym 8 times across 500 words before giving you the actual term.

[glenngillen]

Also, outside the page title/headings and the reference to the name of said external paper the first use in the document _is_ where they use the expanded name.

[hinkley]

five pages down.