periodic acid
/ˌpɜːɹaɪˈɒdɪk ˈæsɪd/
Word Rarity
Rare
Frequency: Zipf frequency 3.57 in modern English
20
Scrabble Score
12
Letters
4
Syllables
8
Unique Chars
Meaning
noun
HIO₄ or H₅IO₆, the oxyacids of iodine in which iodine has the highest oxidation number; H₅IO₆ is a white crystalline substance (HIO₄ is not stable), and both are strong oxidizing agents.
Etymology
From per- + iodic acid.