浮岩
浮石
うきいわ
noun (common) (futsuumeishi)
rock partially submerged in water
rock partially emerging from the water
pumice stone
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浮石
浮き石
うきいし
noun (common) (futsuumeishi)
pumice stone
loose rock
loose stone
floating group (in the game of go)
group without a base
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