Definition of periodic acid in English:

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periodic acid

Pronunciation: /ˌpərīˌädik ˈasəd/

noun

Chemistry
A hygroscopic solid acid with strong oxidizing properties.
  • Chemical formula: H5IO6
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.

Origin

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

For editors and proofreaders

Syllabification: pe·ri·od·ic ac·id

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