conservation

preserve, maintain, keep, sustain, support, hold; keep up, keep alive; refrigerate, keep on ice; not willingly let die; bank up; nurse; save, rescue; be safe, make safe [more]; take care of (care); guard (defend)., stare super antiquas vias [Bacon]; hold one's own; hold one's ground, stand one's ground (resist) [more]., embalm, cure, salt, pickle, season, kyanize, bottle, pot, tin, can; sterilize, pasteurize, radiate; dry, lyophilize, freeze-dry, concentrate, evaporate; freeze, quick-freeze, deep-freeze; husband (store).