ionic hypothesis

/aɪɒnɪk haɪˈpɒθəsəs/ (say uyonik huy'pothuhsuhs)

noun
the hypothesis that those compounds which render water conductive when dissolved in it, do so by splitting up into charged atoms, or groups of atoms, called ions; the passage of these ions through the solution constitutes an electric current.

Australian English dictionary. 2014.

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