Containing two iodine atoms or iodine groups in a chemical molecule.
From the prefix 'di-' meaning two, combined with 'iodo-' referring to iodine. The term emerged in chemistry during the 19th century as scientists developed systematic nomenclature for compounds with multiple halogen atoms.
Diiodo compounds are crucial in medical imaging and thyroid research—when doctors use iodine tracers to see how your thyroid works, they're often using diiodo versions of molecules that naturally occur in your body.
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