ˈtɔ:ʃən n. 1 twisting,
esp. of
one end of a
body while the other is
held fixed. 2
Math. the
extent to
which a
curve departs
from being planar. 3
Bot. the
state of being twisted
into a
spiral. 4
Med. the twisting of the
cut end of an
artery after surgery etc. to
impede bleeding. øtorsion
balance an
instrument for measuring
very weak forces by
their effect upon a
system of fine twisted
wire. torsion bar a bar forming
part of a
vehicle suspension, twisting in
response to the
motion of the wheels,
and absorbing their
vertical movement. torsion
pendulum a pendulum
working by
rotation rather than by
swinging. øøtorsional adj. torsionally adv. torsionless adj. [ME f. OF f. LL torsio -onis f. L tortio (as TORT)]