&nbsp

[Paul McFedries]

It's the HTML "character entity" for a non-breaking space. The actual
code is "nbsp;", not "nbsp", so that's probably why you're seeing what
should otherwise be hidden from view.

Paul
Author of "The Complete Idiot's Guide to Creating an HTML 4 Web Page"
and other books with similarly long titles.
http://www.mcfedries.com/books/cightml/

> Can anyone tell me what the abbreviation &nbsp means in
> email? I've been
> seeing it recently but I must have been absent the day it was
> covered in class.