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Vlach
Vladimir
Vladivostok
VLCC
VLDL
VLF
VLSI
VN
vn
VO
vo.
VO2
VOA
voblasts
VOC
voc.
Voc Ed
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vocal tic
vo·cal tic (plural vo·cal tics)


noun 
Definition:
 
involuntary noise or shout: a sudden noise or shout produced involuntarily, especially as a symptom of Tourette's syndrome or a similar neurological condition
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