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



Ned Simmons


[Middle English torcion, wringing pain in the bowels, from Old French
torsion, from Late Latin torsiÅ?, torsiÅ?n-, a wringing pain, variant of
Latin tortiÅ?, from tortus, past particple of torquÄ“re, to twist. See
torsade
http://www.answers.com/main/ntquery?method=4&dsid=1555&dekey=T0281500&curtab=1 555_1.]

http://www.answers.com/main/ntquery;...bar&sbid=lc03b

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.]

A* torsion bar* is a *spring*

Fred