Wiktionary
iodite
n. (context chemistry English) Any hypothetical salt or ester of iodous acid
Wikipedia
Iodite
Iodite is an anion composed of iodine and oxygen, with the chemical formula . Within this ion the iodine exists in oxidation state III.
Iodites (including iodous acid) are highly unstable and have never been isolated. However they have been detected as intermediates in the conversion between iodide and iodate.