an iodide that contains the highest proportion of iodine possible
periodide in American English
(pəˈraiəˌdaid, -dɪd)
noun
Chemistry
an iodide with the maximum proportion of iodine
Word origin
[1810–20; period(icacid) + -ide]This word is first recorded in the period 1810–20. Other words that entered Englishat around the same time include: dominance, duplex, knockout, nihilism, voodoo-ide is a suffix used in the names of chemical compounds. Other words that use the affix-ide include: amide, carbide, cerebroside, chloride, cyanide