Periodic acid
WordNet
noun
(1) Any acid of iodine that contains oxygen
WiktionaryText
Noun
- HIO4, the oxyacid of iodine in which iodine has the highest oxidation number; it is a white crystalline substance, and a strong oxidizing agent
Usage notes
- Note that the pronunciation of the first word of this term is different from that of "periodic" in the sense of "recurring in periods".