iodo-

from The Century Dictionary.

• noun An element in chemical terms, used in forming names of addition- and substitution-compounds of iodine which are made by adding iodine solution to other bodies as alkaloids, as iodocinchonine, iodomorphine, iodostrychnine, etc.

from the GNU version of the Collaborative International Dictionary of English.

• (Chem.) A prefix, or combining from, indicating iodine as an ingredient.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• prefix chemistry containing iodine