pres·er·va·tion·ist 
(prĕz′ər-vāshə-nĭst)
(prĕz′ər-vāshə-nĭst)n.
One who advocates preservation, especially of natural areas, historical sites, or endangered species.
pres′er·vation·ism n.
- silver cord
- silverfish
- silver fox
- silveriness
- silver iodide
- silver lining
- silver maple
- silver mound
- silvern
- silver nitrate
- silver perch
- silver plate
- silver-plate
- silverpoint
- silver protein
- silverrod
- silver salmon
- silver screen
- silverside
- silversides
- silversmith
- silver spoon
- silverspot
- silver standard
- Silver Star