reac - rego
- reaction path modeling
- rebelay
- rebound
- receiver
- receiving surface
- recession curve
- recession flow
- recession segment
- recessional moraine
- recharge
- recharge area
- recharge capacity
- recharge line
- recharge pit
- recharge water
- recharge well, absorbing well, diffusion well, inverted well
- recharge, allogenic
- recharge, autogenic
