IOD-

combining form

or iodo-

Etymology: French iode iodine

1. : iodine

iod hydrate

iodo form

2.

a. now usually iodo- : containing iodine in place of hydrogen — in names of organic compounds

iodo acetophenone

b. now usually iodo- : containing iodine regarded as replacing hydroxyl or oxygen or as coordinated to a central atom — in names of inorganic acids and salts

iodo argentate

iodo bismuthate

c. : containing iodine as iodide sometimes replacing another element or group — in names of minerals and salts occurring as minerals

iodo sulfate