| ARD | absolute reaction of degeneration; acute radiation disease; acute respiratory disease; adult respira... |
|---|---|
| RC | an electronic circuit containing a resistor and capacitor in series; radiocarpal; reaction center; r... |
| RV | random variable; rat virus; Rauscher virus; rectovaginal; reinforcement value; renal vein; residual ... |
| HEV | health and environment; hemagglutinating encephalomyelitis virus; hepatitis E virus; hepato-encephal... |
| SFV | Semliki Forest virus; shipping fever virus; Shope fibroma virus; squirrel fibroma virus |