Hypertext Webster Gateway: "torsional"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Torsional \Tor"sion*al\, a.
Of or pertaining to torsion; resulting from torsion, or the
force with which a thread or wire returns to a state of rest
after having been twisted round its axis; as, torsional
force.
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