A nonmetallic element belonging to the halogens; used especially in medicine and photography and in dyes; occurs naturally only in combination in small quantities (as in sea water or rocks) WordNet 3.0 & Open English WordNet

Iodine is a chemical element with the symbol I and atomic number 53. Wikipedia

Chemical element with symbol I and atomic number 53. Wikipedia Disambiguation

Chemical element Wikipedia Disambiguation

Chemical element with symbol I and atomic number 53 Wikidata

A nonmetallic halogen element; the poisonous, corrosive dark plates or granules are readily sublimed; insoluble in water, soluble in common solvents; used as germicide and antiseptic, in dyes, tinctures, and pharmaceuticals, in engraving lithography, and as a catalyst and analytical reagent. OmegaWiki

A chemical element (symbol: I) with an atomic number of 53; one of the halogens. Wiktionary

Element. Wiktionary (translation)