螺線
  らせん
  noun (common) (futsuumeishi)
  mathematics
  helix
  spiral
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  螺旋
  らせん
  noun (common) (futsuumeishi)
  nouns which may take the genitive case particle `no'
  spiral
  helix
  see: 捻子
  screw
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  裸線
  はだかせん
  らせん
  noun (common) (futsuumeishi)
  nouns which may take the genitive case particle `no'
  uninsulated electrical wire
  open-wire line
  bare wire
  bare conductor
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