| R-C sign(spot) | Red Cherry sign(spot) |
|---|---|
| Rst | in paper or thin layer chromatography, the distance that a spot of a substance has moved, relative t... |
| AGBAD | Alexander Graham Bell Association for the Deaf |
| RNID | Royal National Institute for the Deaf |
| TDD | telecommunication device for the deaf; tetradecadiene; thoracic duct drainage; total digitalizing do... |