Use the noun preservation to refer to the protection of something — especially from loss, injury, or danger. You might fight for the preservation of the woodlands near your house because of all the animals that live there.

Preservation is also a process that keeps organic things from decomposing. If the preservation of the flowers in your prom corsage is important to you, you can dry the flowers to keep them from decaying. If you dry them, they'll probably last longer than your relationship with your high school boyfriend! The word preservation is often used when referring to historic preservation, which is the protection of buildings and sites of historic significance.

Definitions of preservation

n the activity of protecting something from loss or danger

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the activity of protecting the environment from pollution or destruction
the preservation and careful management of the environment and of natural resources
preservation of yourself from harm; a natural or instinctive tendency
the act of keeping back or setting aside for some future occasion
immobilisation, immobilization
fixation (as by a plaster cast) of a body part in order to promote proper healing
the official conservation of trees and soil and rivers etc.
soil conservation
protection of soil against erosion or deterioration
oil conservation
the conservation of petroleum resources
water conservation
the conservation of water resources
Type of:
the activity of protecting someone or something

n a process that saves organic substances from decay

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fixation, fixing
(histology) the preservation and hardening of a tissue sample to retain as nearly as possible the same relations they had in the living body
preservation (of a dead body) by treating with balsams and drugs and other chemicals
a process involving fixation and dehydration and forced impregnation and hardening of biological tissues; water and lipids are replaced by curable polymers (silicone or epoxy or polyester) that are subsequently hardened
infrigidation, refrigeration
the process of cooling or freezing (e.g., food) for preservative purposes
embalmment and drying a dead body and wrapping it as a mummy
Type of:
biological process, organic process
a process occurring in living organisms

n the condition of being (well or ill) preserved

Type of:
condition, status
a state at a particular time

n an occurrence of improvement by virtue of preventing loss or injury or other change

Type of:
advance, betterment, improvement
a change for the better; progress in development