plural of sock (footwear)
"The scientific notation SOX represents solid oxygen in cryogenic storage conditions."
Initialism of solid oxygen.
In plain English: Sox is another way to say socks, which are the fabric tubes you wear on your feet inside shoes.
"He pulled his damp sox off after playing basketball all afternoon."
The Boston Red Sox.
"My neighbor, Mr. Sox, waved from his porch as I walked by."
A surname.
Sox is simply a variant spelling of socks that has been used interchangeably since the word entered English from Old Norse and Middle Dutch to describe foot coverings. The meaning remains unchanged, with the different form likely arising as an informal abbreviation or dialectal preference over time.