Century Dictionary and Cyclopedia
- n iodal An oleaginous liquid (CI3CHO) obtained by the action of alcohol and nitric acid on iodine. Its effects are said to be similar to those of chloral.
Chambers's Twentieth Century Dictionary
- adj., n Iodal ī′ō-dal an oily liquid compound with properties like chloral, obtained by treating iodine with alcohol and nitric acid.