In article ,
says...
Ned Simmons wrote:


A torsion *bar* is an elastic bar subject to twisting, a torsion
*spring* is a helical beam - like this...
http://www.sterlingspring.com/torsion_springs.html


A matter of semantics [The meaning or the interpretation of a word,
sentence, or other language form: We're basically agreed; let's not
quibble over semantics.]

I wasn't quibbling over semantics I was nitpicking about technical
jargon g.


A* torsion bar* is a *spring*

Agreed, but a torsion bar is not what's typically meant by the term
"torsion spring".

Ned Simmons