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noun

cation

a positively charged ion

In a sentence

Six example sentences with cation, each labelled with its topic.

  • Sodium loses one electron and travels as a cation, which is why table salt splits so readily in water.

    Science

  • Cardiac cells depend on a calcium cation crossing the membrane before each contraction can begin.

    Medicine

  • Clay particles hold every cation the soil offers, which is why sandy fields lose fertilizer after one heavy rain.

    Environment

  • Inside a lithium battery each cation shuttles from one electrode to the other as the phone charges and discharges.

    Technology

  • Tofu sets when a calcium cation bridges the soy proteins, turning warm soy milk into a firm block within minutes.

    Cooking

  • Sweat carries away the sodium cation, which is why long runs call for salt as well as water.

    Fitness

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