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Meaning of WORM GEAR
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Definition:
[n]
gear
consisting
of
a
shaft
with
screw
thread
(
the
worm
)
that
meshes
with
a
toothed
wheel
(
the
worm
wheel
);
changes
the
direction
of
the
axis
of
rotary
motion
See Also:
cogwheel
,
gear
,
gear wheel
,
worm
,
worm wheel
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