periodide

American  

[puh-rahy-uh-dahyd, -did] / pəˈraɪ əˌdaɪd, -dɪd /

noun

Chemistry.

1. an iodide with the maximum proportion of iodine.

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Etymology

Origin of periodide

1810–20; period(ic acid) + -ide ( def. )

Example Sentences

Iodides of potassium, zinc and lead, protiodide of tin, periodide of mercury; fluoride of potassium; cyanide of potassium; sulpho-cyanide of potassium.

From Project Gutenberg

I was unable to contrast it with the protiodide, the latter being converted into mercury and periodide by heat.

From Project Gutenberg

I incline, however, to believe, that a portion of protiodide of mercury is retained dissolved in the periodide, and that to its slow decomposition the feeble conducting power is due.

From Project Gutenberg

Periodide would be formed, as a secondary result, at the anode; and the mercury at the cathode would also form, as a secondary result, protiodide.

From Project Gutenberg

This I attribute to the formation of a periodide at the positive electrode, which, dissolving in the mass of liquid iodide, came in contact with the lead evolved at the negative electrode, and dissolved part of it, becoming itself again protiodide.

From Project Gutenberg