Definition of periodic acid in English:

periodic acid

noun

Chemistry
  • [mass noun] A hygroscopic solid acid with strong oxidizing properties.

    • ‘We also note that atherinomorphs have periodic acid Schiff-positive yolk, but the phylogenetic significance of this observation remains to be determined with further surveys.’
    • ‘Semi-thin sections were incubated first with periodic acid for 8 min, rinsed in distilled water and then treated in the dark with Schiff reagent for 15 min to reveal carbohydrates.’

Origin

Mid 19th century: from per- + iodic acid.

Pronunciation

periodic acid

/ˌpəːrʌɪˈɒdɪk/