| REE | rapid extinction effect; rare earth element; resting energy expenditure |
|---|---|
| REEDS | retention of tears, ectrodactyly, ectodermal dysplasia, and strange hair, skin and teeth [syndrome] |
| REEG | radioelectroencephalography |
| ReEND | reproductive endocrinology |
| REEP | right end-expiratory pressure |
| reev | re-evaluate |
| reex | re-examine |