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G
o
o
g
l
e
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Forvo
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noun
|
noun
Ringröhre
f
hi.energ.
doughnut
;
donut
;
torus
;
vacuum doughnut
(of a betatron or synchrotron)
;
vacuum donut
(of a betatron or synchrotron)
tech.
toroid
Ringrohr
n
weap.
ring barrel
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