| MICR | the islands in the northwestern part of Oceania |
|---|---|
| MICR | a country scattered over Micronesia with a constitutional government in free association with the United States |
| MICR | trade name for and oral contraceptive containing the progestin compound norethindrone |
| MICR | a substance needed only in small amounts for normal body function (e.g., vitamins or minerals) |
| MICR | any organism (animal or plant) of microscopic size |
| MICR | the paleontology of microfossils |
| MICR | an abnormally small penis |
| MICR | a neutrophil that ingests small things (as bacteria) |
| MICR | an abnormally small penis |
| MICR | device for converting sound waves into electrical energy |
| MICR | a pole carrying an overhead microphone projected over a film or tv set |
| MICR | the transduction of sound waves into electrical waves (by a microphone) |