| RD | <abbreviation> Reaction of degeneration; registered dietician. (05 Mar 2000) |
|---|---|
| RDA | <abbreviation> Recommended daily allowance. (05 Mar 2000) |
| RDF | See Refuse-derived fuel. (05 Dec 1998) |
| RDFS | <abbreviation> Ratio of decayed and filled surfaces. (05 Mar 2000) |
| RDFT | <abbreviation> Ratio of decayed and filled teeth. (05 Mar 2000) |
| rDNA | <molecular biology> DNA that codes for ribosomal RNA. (18 Nov 1997) |