100% STIXSomething Timberlike Is Xyloid. Angela Brett, after discovering the word Xyloid (meaning woodlike or pertaining to wood) and thought that since it was a real X word and not an eX word then it ought to be included in an acronym just so there'd be another X that hadn't been cheated on... unfortunately she had to cheat on the acronym anyway to get an X into it. But hey, it explains the word nicely, doncha think?
Words & Wordplay:Made Up Words