割線
かっせん
noun (common) (futsuumeishi)
geometry term
secant
secant line
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合戦
かっせん
noun (common) (futsuumeishi)
noun, used as a suffix
battle
engagement
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活栓
かっせん
noun (common) (futsuumeishi)
valve
faucet
tap
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活線
かっせん
noun (common) (futsuumeishi)
live wire
hot line (as in electrical hot-line working)
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