iodide - a salt or ester of hydriodic acidpotassium iodide - a crystalline salt in organic synthesis and in making photographic emulsions and in iodized table salt halide - a salt of any halogen acid hydrogen iodide - a colorless gas that yields hydroiodic acid in aqueous solution silver iodide - an iodide that is used in photography, in seeding clouds to make rain, and in medicine |