is a specific kind of: dryness, waterlessness, xerotes.

derivation: dehydrate, desiccate, dry up, exsiccate | dehydrate, desiccate | dehydrate, desiccate.

is a specific kind of: thirst, thirstiness.

derivation: dehydrate, desiccate, dry up, exsiccate | dehydrate, desiccate.

is a specific kind of: extraction.

is a broader term that covers: freeze-drying, lyophilisation, lyophilization | inspissation.

is a part of: plastination.

derivation: dehydrate, desiccate, dry up, exsiccate | dehydrate, desiccate | dehydrate, desiccate | evaporate, vaporise, vaporize.