| IO | the closest of Jupiter's moons |
|---|---|
| IO | (Greek mythology) a maiden seduced by Zeus |
| IO | large yellow American moth having a large eyelike spot on each hind wing |
| IO | a soluble crystalline acid |
| IO | a salt or ester of hydriodic acid |
| IO | a nonmetallic element belonging to the halogens |
| IO | cause to combine with iodine |
| IO | treated with iodine |
| IO | a protein that contains iodine |
| IO | (chemistry) combining or causing to combine with iodine |
| IO | the substitution or addition of iodine atoms in organic compounds |
| IO | a tincture consisting of a solution of iodine in ethyl alcohol |