iodide |ˈaɪədaɪd| — a salt or ester of hydriodic acid

iodine |ˈaɪədaɪn| — 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)

iodize |ˈaɪəˌdaɪz| — treat with iodine

iodized  — treated with iodine

ion |ˈaɪən| — a particle that is electrically charged (positive or negative); an atom or molecule or group that has lost or gained one or more electrons

ionic |aɪˈɑːnɪk| — the dialect of Ancient Greek spoken and written in Attica and Athens and Ionia

ionium |aɪˈəʊniːəm| — (physics, dated) A supposed decomposition-product of actinium once thought to be the source of radium

ionization |ˌaɪənəˈzeɪʃən| — the condition of being dissociated into ions (as by heat or radiation or chemical reaction or electrical discharge)

ionize |ˈaɪənaɪz| — become converted into ions

ionized |ˈaɪənaɪzd| — converted totally or partly into ions

ionosphere |aɪˈɑːnəsfɪr| — the outer region of the Earth's atmosphere; contains a high concentration of free electrons

ionospheric |aˌjɑːnəsˈferɪk| — Of or pertaining to the ionosphere.

iontophoresis |aɪˌɒntəfəˈriːsɪs| — therapy that uses a local electric current to introduce the ions of a medicine into the tissues

iota |aɪˈəʊtə| — a tiny or scarcely detectable amount