| iodo- | <chemistry, prefix> A prefix, or combining from, indicating iodine as an ingredient; as, iodoform. (29 Oct 1998) |
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| 3-iodo-1,2-propanediol | An organic form of iodine which slowly liberates iodine in the body after oral administration. Used primarily as an expectorant/mucolytic. Synonym: 3-iodo-1,2-propanediol, gamma-iodopropyleneglycol. (05 Mar 2000) |