Definition of periodic acid in English:

periodic acid

Line breaks: peri|od¦ic acid
Pronunciation: /ˌpəːrʌɪˈɒdɪk


[mass noun] Chemistry
  • A hygroscopic solid acid with strong oxidizing properties.
    • Chemical formula: H5IO6
    More example sentences
    • 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.
    • 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.


mid 19th century: from per- ( sense 2) + iodic acid.

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